Merge pull request #7934 from TeamNewPipe/release/0.22.1

Release 0.22.1
Translated using Weblate (Swedish)
2025-09-22 21:40:52 +02:00 · 2022-02-26 22:01:30 +01:00 · 2022-02-26 18:52:17 +01:00 · 2022-02-23 15:16:37 +01:00 · 2022-02-21 21:36:07 +01:00 · 2022-02-21 20:48:03 +01:00
560 changed files with 11485 additions and 4097 deletions
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1 +1,2 @@
 liberapay: TeamNewPipe
+custom: 'https://newpipe.net/donate/'
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -1,65 +0,0 @@
---
-name: Bug report
-about: Create a bug report to help us improve
-labels: bug
-assignees: ''
-
---
-
-<!--
-Oh no, a bug! It happens. Thanks for reporting an issue with NewPipe. To make it easier for us to help you please enter detailed information in the template we have provided below. If a section isn't relevant, just delete it, though it would be helpful to still provide as much detail as possible.
-->
-
-<!-- IF YOU DON'T FILL IN THE TEMPLATE PROPERLY, YOUR ISSUE IS LIABLE TO BE CLOSED. If you feel tired/lazy right now, open your issue some other time. We'll wait. -->
-
-<!-- The comments between these brackets won't show up in the submitted issue (as you can see in the Preview). -->
-
-### Checklist
-<!-- This checklist is COMPULSORY. The first box has been checked for you to show you how it is done. -->
-
- [x] I am using the latest version - x.xx.x <!-- Check https://github.com/TeamNewPipe/NewPipe/releases -->
- [ ] I checked, but didn't find any duplicates (open OR closed) of this issue in the repo. <!-- Seriously, check. O_O -->
- [ ] I have read the contribution guidelines given at https://github.com/TeamNewPipe/NewPipe/blob/HEAD/.github/CONTRIBUTING.md.
- [ ] This issue contains only one bug. I will open one issue for every bug report I want to file.
-
-### Steps to reproduce the bug
-<!--
-1. Go to '...'
-2. Press on '....'
-3. Swipe down to '....'
-->
-
-<!-- If you can't cause the bug to show up again reliably (and hence don't have a proper set of steps to give us), please still try to give as many details as possible on how you think you encountered the bug. -->
-
-
-
-### Actual behavior
-<!-- Tell us what happens with the steps given above. -->
-
-
-
-### Expected behavior
-<!-- Tell us what you expect to happen. -->
-
-
-
-### Screenshots/Screen recordings
-<!-- If applicable, add screenshots or a screen recording to help explain your problem. GitHub supports uploading them directly in the issue text box. If your file is too big for Github to accept, feel free to paste a link from an image/video hoster here instead. -->
-
-<!-- DON'T POST SCREENSHOTS OF THE ERROR PAGE. Use the buttons given on the error page to paste the error as text in the Logs section below. -->
-
-
-
-### Logs
-<!-- If your bug includes a crash (where you're shown the Error Report page with a bunch of info), tap on "Copy formatted report" at the bottom and paste it here: -->
-
-<!-- That's right, here! -->
-
-
-
-<!-- Please fill this section if you did not provide a log generated by NewPipe -->
-
-### Device info
-
- - Android version/Custom ROM version:
- - Device model:
--- a/.github/ISSUE_TEMPLATE/bug_report.yml
+++ b/.github/ISSUE_TEMPLATE/bug_report.yml
@@ -0,0 +1,113 @@
+name: Bug report
+description: Create a bug report to help us improve
+labels: [bug]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for helping to make NewPipe better by reporting a bug. :hugs:
+
+        Please fill in as much information as possible about your bug so that we don't have to play "information ping-pong" and can help you immediately.
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: "Checklist"
+      options:
+        - label: "I am able to reproduce the bug with the [latest version](https://github.com/TeamNewPipe/NewPipe/releases/latest)."
+          required: true
+        - label: "I made sure that there are *no existing issues* - [open](https://github.com/TeamNewPipe/NewPipe/issues) or [closed](https://github.com/TeamNewPipe/NewPipe/issues?q=is%3Aissue+is%3Aclosed) - which I could contribute my information to."
+          required: true
+        - label: "I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise."
+          required: true
+        - label: "This issue contains only one bug."
+          required: true
+        - label: "I have read and understood the [contribution guidelines](https://github.com/TeamNewPipe/NewPipe/blob/dev/.github/CONTRIBUTING.md)."
+          required: true
+
+  - type: input
+    id: app-version
+    attributes:
+     label: Affected version
+     description: "In which NewPipe version did you encounter the bug?"
+     placeholder: "x.xx.x - Can be seen in the app from the 'About' section in the sidebar"
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to reproduce the bug
+      description: |
+        What did you do for the bug to show up?
+        
+        If you can't cause the bug to show up again reliably (and hence don't have a proper set of steps to give us), please still try to give as many details as possible on how you think you encountered the bug.
+      placeholder: |
+        1. Go to '...'
+        2. Press on '....'
+        3. Swipe down to '....'
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected behavior
+      description: |
+        Tell us what you expect to happen.
+
+  - type: textarea
+    id: actual-behavior
+    attributes:
+      label: Actual behavior
+      description: |
+        Tell us what happens with the steps given above.
+
+  - type: textarea
+    id: screen-media
+    attributes:
+      label: Screenshots/Screen recordings
+      description: |
+        A picture or video is worth a thousand words.
+        
+        If applicable, add screenshots or a screen recording to help explain your problem.
+        GitHub supports uploading them directly in the text box.
+        If your file is too big for Github to accept, try to compress it (ZIP-file) or feel free to paste a link to an image/video hoster here instead.
+        
+        :heavy_exclamation_mark: DON'T POST SCREENSHOTS OF THE ERROR PAGE.
+        Instead, follow the instructions in the "Logs" section below.
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs
+      description: |
+        If your bug includes a crash (where you're shown the Error Report page with a bunch of info), tap on "Copy formatted report" at the bottom and paste it here.
+
+  - type: input
+    id: device-os-info
+    attributes:
+     label: Affected Android/Custom ROM version
+     description: |
+      With what operating system (+ version) did you encounter the bug?
+     placeholder: "Example: Android 12 / LineageOS 18.1"
+
+  - type: input
+    id: device-model-info
+    attributes:
+     label: Affected device model
+     description: |
+      On what device did you encounter the bug?
+     placeholder: "Example: Huawei P20 lite (ANE-LX1) / Samsung Galaxy S20"
+
+  - type: textarea
+    id: additional-information
+    attributes:
+      label: Additional information
+      description: |
+        Any other information you'd like to include, for instance that 
+        * the affected device is foldable or a TV
+        * you have disabled all animations on your device
+        * your cat disabled your network connection
+        * ...
+
--- a/.github/ISSUE_TEMPLATE/feature_request.md
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -1,24 +0,0 @@
---
-name: Feature request
-about: Suggest an idea for this project
-labels: enhancement
-assignees: ''
-
---
-<!-- IF YOU DON'T FILL IN THE TEMPLATE PROPERLY, YOUR ISSUE IS LIABLE TO BE CLOSED. If you are currently unable to do so for any reason, open your issue some other time. We'll wait. -->
-
-<!-- The comments between these brackets won't show up in the submitted issue (as you can see in the Preview tab). -->
-
-### Checklist
-<!-- This checklist is COMPULSORY. The first box has been checked for you to show you how it is done. -->
-
- [x] I checked, but didn't find any duplicates (open OR closed) of this issue in the repo. <!-- Seriously, check. O_O -->
- [ ] I have read the contribution guidelines given at https://github.com/TeamNewPipe/NewPipe/blob/HEAD/.github/CONTRIBUTING.md.
- [ ] This issue contains only one feature request. I will open one issue for every feature I want to request.
-
-#### What feature do you want?
-<!-- Explain how you want the app's look or behavior to change to suit your needs. -->
-
-
-#### Why do you want this feature?
-<!-- Describe any problem or limitation you come across while using the app which would be solved by this feature. -->
--- a/.github/ISSUE_TEMPLATE/feature_request.yml
+++ b/.github/ISSUE_TEMPLATE/feature_request.yml
@@ -0,0 +1,51 @@
+name: Feature request
+description: Suggest an idea for this project
+labels: [enhancement]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for helping to make NewPipe better by suggesting a feature. :hugs:
+
+        Your ideas are highly welcome! The app is made for you, the users, after all.
+        
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: "Checklist"
+      options:
+        - label: "I made sure that there are *no existing issues* - [open](https://github.com/TeamNewPipe/NewPipe/issues) or [closed](https://github.com/TeamNewPipe/NewPipe/issues?q=is%3Aissue+is%3Aclosed) - which I could contribute my information to."
+          required: true
+        - label: "I'm aware that this is a request for NewPipe itself and that requests for adding a new service need to be made at [NewPipeExtractor](https://github.com/TeamNewPipe/NewPipeExtractor/issues)."
+          required: true
+        - label: "I have taken the time to fill in all the required details. I understand that the feature request will be dismissed otherwise."
+          required: true
+        - label: "This issue contains only one feature request."
+          required: true
+        - label: "I have read and understood the [contribution guidelines](https://github.com/TeamNewPipe/NewPipe/blob/dev/.github/CONTRIBUTING.md)."
+          required: true
+
+
+  - type: textarea
+    id: feature-description
+    attributes:
+      label: Feature description
+      description: |
+        Explain how you want the app's look or behavior to change to suit your needs.
+    validations:
+      required: true
+
+  - type: textarea
+    id: why-is-the-feature-requested
+    attributes:
+      label: Why do you want this feature?
+      description: |
+        Describe any problem or limitation you come across while using the app which would be solved by this feature.
+    validations:
+      required: true
+      
+  - type: textarea
+    id: additional-information
+    attributes:
+      label: Additional information
+      description: Any other information you'd like to include, for instance sketches, mockups, pictures of cats, etc.
--- a/.github/ISSUE_TEMPLATE/question.md
+++ b/.github/ISSUE_TEMPLATE/question.md
@@ -1,24 +0,0 @@
---
-name: Question
-about: Ask about anything NewPipe-related
-labels: question
-assignees: ''
-
---
-
-<!-- IF YOU DON'T FILL IN THE TEMPLATE PROPERLY, YOUR ISSUE IS LIABLE TO BE CLOSED. If you feel tired/lazy right now, open your issue some other time. We'll wait. -->
-
-<!-- The comments between these brackets won't show up in the submitted issue (as you can see in the Preview). -->
-
-### Checklist
-<!-- This checklist is COMPULSORY. The first box has been checked for you to show you how it is done. -->
-
- [x] I checked, but didn't find any duplicates (open OR closed) of this issue in the repo. <!-- Seriously, check. O_O (If there's already an issue but you'd like to see if something changed, just make a comment on the issue instead of opening a new one.) -->
- [ ] I have read the contribution guidelines given at https://github.com/TeamNewPipe/NewPipe/blob/HEAD/.github/CONTRIBUTING.md.
-
-#### What's your question(s)?
-
-
-#### Additional context
-<!-- Add any other context, like screenshots or links, about the question here.
-Example: *Here's a photo of my cat!* -->
--- a/.github/ISSUE_TEMPLATE/question.yml
+++ b/.github/ISSUE_TEMPLATE/question.yml
@@ -0,0 +1,35 @@
+name: Question
+description: Ask about anything NewPipe-related
+labels: [question]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this issue! :hugs:
+
+        Note that you can also ask questions on our [IRC channel](https://web.libera.chat/#newpipe).
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: "Checklist"
+      options:
+        - label: "I made sure that there are *no existing issues* - [open](https://github.com/TeamNewPipe/NewPipe/issues) or [closed](https://github.com/TeamNewPipe/NewPipe/issues?q=is%3Aissue+is%3Aclosed) - which I could contribute my information to."
+          required: true
+        - label: "I have taken the time to fill in all the required details. I understand that the question will be dismissed otherwise."
+          required: true
+        - label: "I have read and understood the [contribution guidelines](https://github.com/TeamNewPipe/NewPipe/blob/dev/.github/CONTRIBUTING.md)."
+          required: true
+
+  - type: textarea
+    id: what-is-the-question
+    attributes:
+      label: What is/are your question(s)?
+    validations:
+      required: true
+      
+  - type: textarea
+    id: additional-information
+    attributes:
+      label: Additional information
+      description: Any other information you'd like to include, for instance sketches, mockups, pictures of cats, etc.
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,19 +7,25 @@ on:
      - dev
      - master
    paths-ignore:
-      - 'README*.md'
+      - 'README.md'
+      - 'doc/**'
      - 'fastlane/**'
      - 'assets/**'
      - '.github/**/*.md'
+      - '.github/FUNDING.yml'
+      - '.github/ISSUE_TEMPLATE/**'
  push:
    branches:
      - dev
      - master
    paths-ignore:
-      - 'README*.md'
+      - 'README.md'
+      - 'doc/**'
      - 'fastlane/**'
      - 'assets/**'
      - '.github/**/*.md'
+      - '.github/FUNDING.yml'
+      - '.github/ISSUE_TEMPLATE/**'

 jobs:
  build-and-test-jvm:
@@ -39,7 +45,7 @@ jobs:
          java-version: 11
          distribution: "temurin"
          cache: 'gradle'
-          
+
      - name: Build debug APK and run jvm tests
        run: ./gradlew assembleDebug lintDebug testDebugUnitTest --stacktrace -DskipFormatKtlint

@@ -52,9 +58,10 @@ jobs:
  test-android:
    # macos has hardware acceleration. See android-emulator-runner action
    runs-on: macos-latest
+    timeout-minutes: 20
    strategy:
      matrix:
-        # api-level 19 is min sdk, but throws errors related to desugaring 
+        # api-level 19 is min sdk, but throws errors related to desugaring
        api-level: [ 21, 29 ]
    steps:
      - uses: actions/checkout@v2
@@ -72,31 +79,38 @@ jobs:
          api-level: ${{ matrix.api-level }}
          # workaround to emulator bug: https://github.com/ReactiveCircus/android-emulator-runner/issues/160
          emulator-build: 7425822
-          script: ./gradlew connectedCheck
+          script: ./gradlew connectedCheck --stacktrace
+        
+      - name: Upload test report when tests fail # because the printed out stacktrace (console) is too short, see also #7553
+        uses: actions/upload-artifact@v2
+        if: failure()
+        with:
+          name: android-test-report-api${{ matrix.api-level }}
+          path: app/build/reports/androidTests/connected/**

-#   sonar:
-#     runs-on: ubuntu-latest
-#     steps:
-#       - uses: actions/checkout@v2
-#         with:
-#           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+  sonar:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis

-#       - name: Set up JDK 11
-#         uses: actions/setup-java@v2
-#         with:
-#           java-version: 11 # Sonar requires JDK 11
-#           distribution: "temurin"
-#           cache: 'gradle'
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: 11 # Sonar requires JDK 11
+          distribution: "temurin"
+          cache: 'gradle'

-#       - name: Cache SonarCloud packages
-#         uses: actions/cache@v2
-#         with:
-#           path: ~/.sonar/cache
-#           key: ${{ runner.os }}-sonar
-#           restore-keys: ${{ runner.os }}-sonar
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar

-#       - name: Build and analyze
-#         env:
-#           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
-#           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-#         run: ./gradlew build sonarqube --info
+      - name: Build and analyze
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        run: ./gradlew build sonarqube --info
--- a/.github/workflows/image-minimizer.js
+++ b/.github/workflows/image-minimizer.js
@@ -0,0 +1,130 @@
+/*
+ * Script for minimizing big images (jpg,gif,png) when they are uploaded to GitHub and not edited otherwise
+ */
+module.exports = async ({github, context}) => {
+    const IGNORE_KEY = '<!-- IGNORE IMAGE MINIFY -->';
+    const IGNORE_ALT_NAME_END = 'ignoreImageMinify';
+    // Targeted maximum height
+    const IMG_MAX_HEIGHT_PX = 600;
+    // maximum width of GitHub issues/comments
+    const IMG_MAX_WIDTH_PX = 800;
+    // all images that have a lower aspect ratio (-> have a smaller width) than this will be minimized
+    const MIN_ASPECT_RATIO = IMG_MAX_WIDTH_PX / IMG_MAX_HEIGHT_PX
+
+    // Get the body of the image
+    let initialBody = null;
+    if (context.eventName == 'issue_comment') {
+        initialBody = context.payload.comment.body;
+    } else if (context.eventName == 'issues') {
+        initialBody = context.payload.issue.body;
+    } else {
+        console.log('Aborting: No body found');
+        return;
+    }
+    console.log(`Found body: \n${initialBody}\n`);
+
+    // Check if we should ignore the currently processing element
+    if (initialBody.includes(IGNORE_KEY)) {
+        console.log('Ignoring: Body contains IGNORE_KEY');
+        return;
+    }
+
+    // Regex for finding images (simple variant) ![ALT_TEXT](https://*.githubusercontent.com/<number>/<variousHexStringsAnd->.<fileExtension>)
+    const REGEX_IMAGE_LOOKUP = /\!\[(.*)\]\((https:\/\/[-a-z0-9]+\.githubusercontent\.com\/\d+\/[-0-9a-f]{32,512}\.(jpg|gif|png))\)/gm;
+
+    // Check if we found something
+    let foundSimpleImages = REGEX_IMAGE_LOOKUP.test(initialBody);
+    if (!foundSimpleImages) {
+        console.log('Found no simple images to process');
+        return;
+    }
+
+    console.log('Found at least one simple image to process');
+
+    // Require the probe lib for getting the image dimensions
+    const probe = require('probe-image-size');
+    
+    var wasMatchModified = false;
+
+    // Try to find and replace the images with minimized ones
+    let newBody = await replaceAsync(initialBody, REGEX_IMAGE_LOOKUP, async (match, g1, g2) => {
+        console.log(`Found match '${match}'`);
+        
+        if (g1.endsWith(IGNORE_ALT_NAME_END)) {
+            console.log(`Ignoring match '${match}': IGNORE_ALT_NAME_END`);
+            return match;
+        }
+        
+        let shouldModify = false;
+        try {
+            console.log(`Probing ${g2}`);
+            let probeResult = await probe(g2);
+            if (probeResult == null) {
+                throw 'No probeResult';
+            }
+            if (probeResult.hUnits != 'px') {
+                throw `Unexpected probeResult.hUnits (expected px but got ${probeResult.hUnits})`;
+            }
+            if (probeResult.height <= 0) {
+                throw `Unexpected probeResult.height (height is invalid: ${probeResult.height})`;
+            }
+            if (probeResult.wUnits != 'px') {
+                throw `Unexpected probeResult.wUnits (expected px but got ${probeResult.wUnits})`;
+            }
+            if (probeResult.width <= 0) {
+                throw `Unexpected probeResult.width (width is invalid: ${probeResult.width})`;
+            }
+            console.log(`Probing resulted in ${probeResult.width}x${probeResult.height}px`);
+            
+            shouldModify = probeResult.height > IMG_MAX_HEIGHT_PX && (probeResult.width / probeResult.height) < MIN_ASPECT_RATIO;
+        } catch(e) {
+            console.log('Probing failed:', e);
+            // Immediately abort
+            return match;
+        }
+        
+        if (shouldModify) {
+            wasMatchModified = true;
+            console.log(`Modifying match '${match}'`);
+            return `<img alt="${g1}" src="${g2}" height=${IMG_MAX_HEIGHT_PX} />`;
+        }
+        
+        console.log(`Match '${match}' is ok/will not be modified`);
+        return match;
+    });
+    
+    if (!wasMatchModified) {
+        console.log('Nothing was modified. Skipping update');
+        return;
+    }
+
+    // Update the corresponding element
+    if (context.eventName == 'issue_comment') {
+        console.log('Updating comment with id', context.payload.comment.id);
+        await github.rest.issues.updateComment({
+            comment_id: context.payload.comment.id,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: newBody
+        })
+    } else if (context.eventName == 'issues') {
+        console.log('Updating issue', context.payload.issue.number);
+        await github.rest.issues.update({
+            issue_number: context.payload.issue.number,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: newBody
+        });
+    }
+
+    // Asnyc replace function from https://stackoverflow.com/a/48032528
+    async function replaceAsync(str, regex, asyncFn) {
+        const promises = [];
+        str.replace(regex, (match, ...args) => {
+            const promise = asyncFn(match, ...args);
+            promises.push(promise);
+        });
+        const data = await Promise.all(promises);
+        return str.replace(regex, () => data.shift());
+    }
+}
--- a/.github/workflows/image-minimizer.yml
+++ b/.github/workflows/image-minimizer.yml
@@ -0,0 +1,29 @@
+name: Image Minimizer
+
+on:
+  issue_comment:
+    types: [created, edited]
+  issues:
+    types: [opened, edited]
+
+jobs:
+  try-minimize:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 16
+
+      - name: Install probe-image-size
+        run: npm i probe-image-size@7.2.3 --ignore-scripts
+
+      - name: Minimize simple images
+        uses: actions/github-script@v5
+        timeout-minutes: 3
+        with:
+          script: |
+            const script = require('.github/workflows/image-minimizer.js');
+            await script({github, context});
--- a/.gitignore
+++ b/.gitignore
@@ -1,15 +1,15 @@
-.gitignore
-.gradle
-/local.properties
+.gradle/
+local.properties
 .DS_Store
-/build
-/captures
-/app/app.iml
-/.idea
-/*.iml
+build/
+captures/
+.idea/
+*.iml
 *~
 .weblate
 *.class
+app/debug/
+app/release/

 # vscode / eclipse files
 *.classpath
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 <h2 align="center"><b>NewPipe</b></h2>
 <h4 align="center">A libre lightweight streaming frontend for Android.</h4>

-<p align="center"><a href="https://f-droid.org/packages/org.schabi.newpipe/"><img src="https://f-droid.org/wiki/images/0/06/F-Droid-button_get-it-on.png"></a></p>
+<p align="center"><a href="https://f-droid.org/packages/org.schabi.newpipe/"><img src="https://fdroid.gitlab.io/artwork/badge/get-it-on-en.svg" alt="Get it on F-Droid" height=80/></a></p>

 <p align="center">
 <a href="https://github.com/TeamNewPipe/NewPipe/releases" alt="GitHub release"><img src="https://img.shields.io/github/release/TeamNewPipe/NewPipe.svg" ></a>
@@ -17,7 +17,7 @@
 <p align="center"><a href="https://newpipe.net">Website</a> &bull; <a href="https://newpipe.net/blog/">Blog</a> &bull; <a href="https://newpipe.net/FAQ/">FAQ</a> &bull; <a href="https://newpipe.net/press/">Press</a></p>
 <hr>

-*Read this in other languages: [English](README.md), [Español](README.es.md), [한국어](README.ko.md), [Soomaali](README.so.md), [Português Brasil](README.pt_BR.md), [日本語](README.ja.md), [Română](README.ro.md), [Türkçe](README.tr.md).*
+*Read this in other languages: [English](README.md), [Español](doc/README.es.md), [한국어](doc/README.ko.md), [Soomaali](doc/README.so.md), [Português Brasil](doc/README.pt_BR.md), [Polski](doc/README.pl.md), [日本語](doc/README.ja.md), [Română](doc/README.ro.md), [Türkçe](doc/README.tr.md), [正體中文](doc/README.zh_TW.md).*

 <b>WARNING: THIS IS A BETA VERSION, THEREFORE YOU MAY ENCOUNTER BUGS. IF YOU DO, OPEN AN ISSUE VIA OUR GITHUB REPOSITORY.</b>

@@ -140,7 +140,7 @@ Therefore, the app does not collect any data without your consent. NewPipe's pri
 ## License
 [![GNU GPLv3 Image](https://www.gnu.org/graphics/gplv3-127x51.png)](https://www.gnu.org/licenses/gpl-3.0.en.html)  

-NewPipe is Free Software: You can use, study share and improve it at your
+NewPipe is Free Software: You can use, study, share, and improve it at
 will. Specifically you can redistribute and/or modify it under the terms of the
 [GNU General Public License](https://www.gnu.org/licenses/gpl.html) as
 published by the Free Software Foundation, either version 3 of the License, or
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -1,3 +0,0 @@
-.gitignore
-/build
-*.iml
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,24 +1,23 @@
 plugins {
-    id "org.sonarqube" version "3.1.1"
+    id "com.android.application"
+    id "kotlin-android"
+    id "kotlin-kapt"
+    id "kotlin-parcelize"
+    id "checkstyle"
+    id "org.sonarqube" version "3.3"
 }

-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-parcelize'
-apply plugin: 'kotlin-kapt'
-apply plugin: 'checkstyle'
-
 android {
-    compileSdkVersion 30
+    compileSdk 31
    buildToolsVersion '30.0.3'

    defaultConfig {
        applicationId "org.schabi.newpipe"
        resValue "string", "app_name", "NewPipe"
-        minSdkVersion 19
-        targetSdkVersion 29
-        versionCode 978
-        versionName "0.21.12"
+        minSdk 19
+        targetSdk 29
+        versionCode 984
+        versionName "0.22.1"

        multiDexEnabled true

@@ -66,7 +65,7 @@ android {
        }
    }

-    lintOptions {
+    lint {
        checkReleaseBuilds false
        // Or, if you prefer, you can continue to check for errors in release builds,
        // but continue the build even when errors are found:
@@ -80,13 +79,13 @@ android {
        // Flag to enable support for the new language APIs
        coreLibraryDesugaringEnabled true

-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
        encoding 'utf-8'
    }

    kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8
+        jvmTarget = JavaVersion.VERSION_11
    }

    sourceSets {
@@ -99,20 +98,21 @@ android {
 }

 ext {
-    checkstyleVersion = '8.38'
+    checkstyleVersion = '9.2.1'

    androidxLifecycleVersion = '2.3.1'
    androidxRoomVersion = '2.3.0'

    icepickVersion = '3.2.0'
-    exoPlayerVersion = '2.12.3'
-    googleAutoServiceVersion = '1.0'
-    groupieVersion = '2.9.0'
+    exoPlayerVersion = '2.14.2'
+    googleAutoServiceVersion = '1.0.1'
+    groupieVersion = '2.10.0'
    markwonVersion = '4.6.2'

    leakCanaryVersion = '2.5'
    stethoVersion = '1.6.0'
-    mockitoVersion = '3.6.0'
+    mockitoVersion = '4.0.0'
+    assertJVersion = '3.22.0'
 }

 configurations {
@@ -189,11 +189,11 @@ dependencies {
    // name and the commit hash with the commit hash of the (pushed) commit you want to test
    // This works thanks to JitPack: https://jitpack.io/
    implementation 'com.github.TeamNewPipe:nanojson:1d9e1aea9049fc9f85e68b43ba39fe7be1c1f751'
-    implementation 'com.github.TeamNewPipe:NewPipeExtractor:v0.21.11'
+    implementation 'com.github.TeamNewPipe:NewPipeExtractor:v0.21.14'

 /** Checkstyle **/
    checkstyle "com.puppycrawl.tools:checkstyle:${checkstyleVersion}"
-    ktlint 'com.pinterest:ktlint:0.40.0'
+    ktlint 'com.pinterest:ktlint:0.43.2'

 /** Kotlin **/
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:${kotlin_version}"
@@ -201,23 +201,26 @@ dependencies {
 /** AndroidX **/
    implementation 'androidx.appcompat:appcompat:1.3.1'
    implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
    implementation 'androidx.core:core-ktx:1.6.0'
    implementation 'androidx.documentfile:documentfile:1.0.1'
    implementation 'androidx.fragment:fragment-ktx:1.3.6'
    implementation "androidx.lifecycle:lifecycle-livedata:${androidxLifecycleVersion}"
    implementation "androidx.lifecycle:lifecycle-viewmodel:${androidxLifecycleVersion}"
    implementation 'androidx.localbroadcastmanager:localbroadcastmanager:1.0.0'
-    implementation 'androidx.media:media:1.3.1'
+    implementation 'androidx.media:media:1.4.3'
    implementation 'androidx.multidex:multidex:2.0.1'
    implementation 'androidx.preference:preference:1.1.1'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
    implementation "androidx.room:room-runtime:${androidxRoomVersion}"
    implementation "androidx.room:room-rxjava3:${androidxRoomVersion}"
    kapt "androidx.room:room-compiler:${androidxRoomVersion}"
    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
+    // Newer version specified to prevent accessibility regressions with RecyclerView, see:
+    // https://developer.android.com/jetpack/androidx/releases/viewpager2#1.1.0-alpha01
+    implementation 'androidx.viewpager2:viewpager2:1.1.0-beta01'
    implementation 'androidx.webkit:webkit:1.4.0'
-    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'com.google.android.material:material:1.4.0'

 /** Third-party libraries **/
    // Instance state boilerplate elimination
@@ -225,7 +228,7 @@ dependencies {
    kapt "frankiesardo:icepick-processor:${icepickVersion}"

    // HTML parser
-    implementation "org.jsoup:jsoup:1.13.1"
+    implementation "org.jsoup:jsoup:1.14.3"

    // HTTP client
    //noinspection GradleDependency --> do not update okhttp to keep supporting Android 4.4 users
@@ -257,19 +260,19 @@ dependencies {
    implementation "com.nononsenseapps:filepicker:4.2.1"

    // Crash reporting
-    implementation "ch.acra:acra-core:5.7.0"
+    implementation "ch.acra:acra-core:5.8.4"

    // Properly restarting
    implementation 'com.jakewharton:process-phoenix:2.1.2'

    // Reactive extensions for Java VM
-    implementation "io.reactivex.rxjava3:rxjava:3.0.7"
+    implementation "io.reactivex.rxjava3:rxjava:3.0.13"
    implementation "io.reactivex.rxjava3:rxandroid:3.0.0"
    // RxJava binding APIs for Android UI widgets
    implementation "com.jakewharton.rxbinding4:rxbinding:4.0.0"

    // Date and time formatting
-    implementation "org.ocpsoft.prettytime:prettytime:5.0.1.Final"
+    implementation "org.ocpsoft.prettytime:prettytime:5.0.2.Final"

 /** Debugging **/
    // Memory leak detection
@@ -285,11 +288,10 @@ dependencies {
    testImplementation "org.mockito:mockito-core:${mockitoVersion}"
    testImplementation "org.mockito:mockito-inline:${mockitoVersion}"

-    androidTestImplementation "androidx.test.ext:junit:1.1.2"
+    androidTestImplementation "androidx.test.ext:junit:1.1.3"
+    androidTestImplementation "androidx.test:runner:1.4.0"
    androidTestImplementation "androidx.room:room-testing:${androidxRoomVersion}"
-    androidTestImplementation "androidx.test.espresso:espresso-core:3.3.0", {
-        exclude module: 'support-annotations'
-    }
+    androidTestImplementation "org.assertj:assertj-core:${assertJVersion}"
 }

 static String getGitWorkingBranch() {
--- a/app/src/androidTest/java/org/schabi/newpipe/local/history/HistoryRecordManagerTest.kt
+++ b/app/src/androidTest/java/org/schabi/newpipe/local/history/HistoryRecordManagerTest.kt
@@ -0,0 +1,178 @@
+package org.schabi.newpipe.local.history
+
+import androidx.test.core.app.ApplicationProvider
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.schabi.newpipe.database.AppDatabase
+import org.schabi.newpipe.database.history.model.SearchHistoryEntry
+import org.schabi.newpipe.testUtil.TestDatabase
+import org.schabi.newpipe.testUtil.TrampolineSchedulerRule
+import java.time.LocalDateTime
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
+
+class HistoryRecordManagerTest {
+
+    private lateinit var manager: HistoryRecordManager
+    private lateinit var database: AppDatabase
+
+    @get:Rule
+    val trampolineScheduler = TrampolineSchedulerRule()
+
+    @Before
+    fun setup() {
+        database = TestDatabase.createReplacingNewPipeDatabase()
+        manager = HistoryRecordManager(ApplicationProvider.getApplicationContext())
+    }
+
+    @After
+    fun cleanUp() {
+        database.close()
+    }
+
+    @Test
+    fun onSearched() {
+        manager.onSearched(0, "Hello").test().await().assertValue(1)
+
+        // For some reason the Flowable returned by getAll() never completes, so we can't assert
+        // that the number of Lists it returns is exactly 1, we can only check if the first List is
+        // correct. Why on earth has a Flowable been used instead of a Single for getAll()?!?
+        val entities = database.searchHistoryDAO().all.blockingFirst()
+        assertThat(entities).hasSize(1)
+        assertThat(entities[0].id).isEqualTo(1)
+        assertThat(entities[0].serviceId).isEqualTo(0)
+        assertThat(entities[0].search).isEqualTo("Hello")
+    }
+
+    @Test
+    fun deleteSearchHistory() {
+        val entries = listOf(
+            SearchHistoryEntry(time.minusSeconds(1), 0, "A"),
+            SearchHistoryEntry(time.minusSeconds(2), 2, "A"),
+            SearchHistoryEntry(time.minusSeconds(3), 1, "B"),
+            SearchHistoryEntry(time.minusSeconds(4), 0, "B"),
+        )
+
+        // make sure all 4 were inserted
+        database.searchHistoryDAO().insertAll(entries)
+        assertThat(database.searchHistoryDAO().all.blockingFirst()).hasSameSizeAs(entries)
+
+        // try to delete only "A" entries, "B" entries should be untouched
+        manager.deleteSearchHistory("A").test().await().assertValue(2)
+        val entities = database.searchHistoryDAO().all.blockingFirst()
+        assertThat(entities).hasSize(2)
+        assertThat(entities).usingElementComparator { o1, o2 -> if (o1.hasEqualValues(o2)) 0 else 1 }
+            .containsExactly(*entries.subList(2, 4).toTypedArray())
+
+        // assert that nothing happens if we delete a search query that does exist in the db
+        manager.deleteSearchHistory("A").test().await().assertValue(0)
+        val entities2 = database.searchHistoryDAO().all.blockingFirst()
+        assertThat(entities2).hasSize(2)
+        assertThat(entities2).usingElementComparator { o1, o2 -> if (o1.hasEqualValues(o2)) 0 else 1 }
+            .containsExactly(*entries.subList(2, 4).toTypedArray())
+
+        // delete all remaining entries
+        manager.deleteSearchHistory("B").test().await().assertValue(2)
+        assertThat(database.searchHistoryDAO().all.blockingFirst()).isEmpty()
+    }
+
+    @Test
+    fun deleteCompleteSearchHistory() {
+        val entries = listOf(
+            SearchHistoryEntry(time.minusSeconds(1), 1, "A"),
+            SearchHistoryEntry(time.minusSeconds(2), 2, "B"),
+            SearchHistoryEntry(time.minusSeconds(3), 0, "C"),
+        )
+
+        // make sure all 3 were inserted
+        database.searchHistoryDAO().insertAll(entries)
+        assertThat(database.searchHistoryDAO().all.blockingFirst()).hasSameSizeAs(entries)
+
+        // should remove everything
+        manager.deleteCompleteSearchHistory().test().await().assertValue(entries.size)
+        assertThat(database.searchHistoryDAO().all.blockingFirst()).isEmpty()
+    }
+
+    private fun insertShuffledRelatedSearches(relatedSearches: Collection<SearchHistoryEntry>) {
+
+        // shuffle to make sure the order of items returned by queries depends only on
+        // SearchHistoryEntry.creationDate, not on the actual insertion time, so that we can
+        // verify that the `ORDER BY` clause does its job
+        database.searchHistoryDAO().insertAll(relatedSearches.shuffled())
+
+        // make sure all entries were inserted
+        assertEquals(
+            relatedSearches.size,
+            database.searchHistoryDAO().all.blockingFirst().size
+        )
+    }
+
+    @Test
+    fun getRelatedSearches_emptyQuery() {
+        insertShuffledRelatedSearches(RELATED_SEARCHES_ENTRIES)
+
+        // make sure correct number of searches is returned and in correct order
+        val searches = manager.getRelatedSearches("", 6, 4).blockingFirst()
+        assertThat(searches).containsExactly(
+            RELATED_SEARCHES_ENTRIES[6].search, // A (even if in two places)
+            RELATED_SEARCHES_ENTRIES[4].search, // B
+            RELATED_SEARCHES_ENTRIES[5].search, // AA
+            RELATED_SEARCHES_ENTRIES[2].search, // BA
+        )
+    }
+
+    @Test
+    fun getRelatedSearches_emptyQuery_manyDuplicates() {
+        insertShuffledRelatedSearches(
+            listOf(
+                SearchHistoryEntry(time.minusSeconds(9), 3, "A"),
+                SearchHistoryEntry(time.minusSeconds(8), 3, "AB"),
+                SearchHistoryEntry(time.minusSeconds(7), 3, "A"),
+                SearchHistoryEntry(time.minusSeconds(6), 3, "A"),
+                SearchHistoryEntry(time.minusSeconds(5), 3, "BA"),
+                SearchHistoryEntry(time.minusSeconds(4), 3, "A"),
+                SearchHistoryEntry(time.minusSeconds(3), 3, "A"),
+                SearchHistoryEntry(time.minusSeconds(2), 0, "A"),
+                SearchHistoryEntry(time.minusSeconds(1), 2, "AA"),
+            )
+        )
+
+        val searches = manager.getRelatedSearches("", 9, 3).blockingFirst()
+        assertThat(searches).containsExactly("AA", "A", "BA")
+    }
+
+    @Test
+    fun getRelatedSearched_nonEmptyQuery() {
+        insertShuffledRelatedSearches(RELATED_SEARCHES_ENTRIES)
+
+        // make sure correct number of searches is returned and in correct order
+        val searches = manager.getRelatedSearches("A", 3, 5).blockingFirst()
+        assertThat(searches).containsExactly(
+            RELATED_SEARCHES_ENTRIES[6].search, // A (even if in two places)
+            RELATED_SEARCHES_ENTRIES[5].search, // AA
+            RELATED_SEARCHES_ENTRIES[1].search, // BA
+        )
+
+        // also make sure that the string comparison is case insensitive
+        val searches2 = manager.getRelatedSearches("a", 3, 5).blockingFirst()
+        assertThat(searches).isEqualTo(searches2)
+    }
+
+    companion object {
+        private val time = OffsetDateTime.of(LocalDateTime.of(2000, 1, 1, 1, 1), ZoneOffset.UTC)
+
+        private val RELATED_SEARCHES_ENTRIES = listOf(
+            SearchHistoryEntry(time.minusSeconds(7), 2, "AC"),
+            SearchHistoryEntry(time.minusSeconds(6), 0, "ABC"),
+            SearchHistoryEntry(time.minusSeconds(5), 1, "BA"),
+            SearchHistoryEntry(time.minusSeconds(4), 3, "A"),
+            SearchHistoryEntry(time.minusSeconds(2), 0, "B"),
+            SearchHistoryEntry(time.minusSeconds(3), 2, "AA"),
+            SearchHistoryEntry(time.minusSeconds(1), 1, "A"),
+        )
+    }
+}
--- a/app/src/androidTest/java/org/schabi/newpipe/local/playlist/LocalPlaylistManagerTest.kt
+++ b/app/src/androidTest/java/org/schabi/newpipe/local/playlist/LocalPlaylistManagerTest.kt
@@ -1,17 +1,14 @@
 package org.schabi.newpipe.local.playlist

-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
 import org.junit.After
 import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
-import org.junit.rules.Timeout
 import org.schabi.newpipe.database.AppDatabase
 import org.schabi.newpipe.database.stream.model.StreamEntity
 import org.schabi.newpipe.extractor.stream.StreamType
+import org.schabi.newpipe.testUtil.TestDatabase
 import org.schabi.newpipe.testUtil.TrampolineSchedulerRule
-import java.util.concurrent.TimeUnit

 class LocalPlaylistManagerTest {

@@ -21,18 +18,9 @@ class LocalPlaylistManagerTest {
    @get:Rule
    val trampolineScheduler = TrampolineSchedulerRule()

-    @get:Rule
-    val timeout = Timeout(10, TimeUnit.SECONDS)
-
    @Before
    fun setup() {
-        database = Room.inMemoryDatabaseBuilder(
-            ApplicationProvider.getApplicationContext(),
-            AppDatabase::class.java
-        )
-            .allowMainThreadQueries()
-            .build()
-
+        database = TestDatabase.createReplacingNewPipeDatabase()
        manager = LocalPlaylistManager(database)
    }

--- a/app/src/androidTest/java/org/schabi/newpipe/testUtil/TestDatabase.kt
+++ b/app/src/androidTest/java/org/schabi/newpipe/testUtil/TestDatabase.kt
@@ -0,0 +1,32 @@
+package org.schabi.newpipe.testUtil
+
+import androidx.room.Room
+import androidx.test.core.app.ApplicationProvider
+import org.junit.Assert.assertSame
+import org.schabi.newpipe.NewPipeDatabase
+import org.schabi.newpipe.database.AppDatabase
+
+class TestDatabase {
+    companion object {
+        fun createReplacingNewPipeDatabase(): AppDatabase {
+            val database = Room.inMemoryDatabaseBuilder(
+                ApplicationProvider.getApplicationContext(),
+                AppDatabase::class.java
+            )
+                .allowMainThreadQueries()
+                .build()
+
+            val databaseField = NewPipeDatabase::class.java.getDeclaredField("databaseInstance")
+            databaseField.isAccessible = true
+            databaseField.set(NewPipeDatabase::class, database)
+
+            assertSame(
+                "Mocking database failed!",
+                database,
+                NewPipeDatabase.getInstance(ApplicationProvider.getApplicationContext())
+            )
+
+            return database
+        }
+    }
+}
--- a/app/src/debug/java/org/schabi/newpipe/settings/DebugSettingsBVDLeakCanary.java
+++ b/app/src/debug/java/org/schabi/newpipe/settings/DebugSettingsBVDLeakCanary.java
@@ -0,0 +1,20 @@
+package org.schabi.newpipe.settings;
+
+import android.content.Intent;
+
+import leakcanary.LeakCanary;
+
+/**
+ * Build variant dependent (BVD) leak canary API implementation for the debug settings fragment.
+ * This class is loaded via reflection by
+ * {@link DebugSettingsFragment.DebugSettingsBVDLeakCanaryAPI}.
+ */
+@SuppressWarnings("unused") // Class is used but loaded via reflection
+public class DebugSettingsBVDLeakCanary
+        implements DebugSettingsFragment.DebugSettingsBVDLeakCanaryAPI {
+
+    @Override
+    public Intent getNewLeakDisplayActivityIntent() {
+        return LeakCanary.INSTANCE.newLeakDisplayActivityIntent();
+    }
+}
--- a/app/src/debug/java/org/schabi/newpipe/settings/DebugSettingsFragment.java
+++ b/app/src/debug/java/org/schabi/newpipe/settings/DebugSettingsFragment.java
@@ -1,42 +0,0 @@
-package org.schabi.newpipe.settings;
-
-import android.os.Bundle;
-
-import androidx.preference.Preference;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.util.PicassoHelper;
-
-import leakcanary.LeakCanary;
-
-public class DebugSettingsFragment extends BasePreferenceFragment {
-    @Override
-    public void onCreatePreferences(final Bundle savedInstanceState, final String rootKey) {
-        addPreferencesFromResource(R.xml.debug_settings);
-
-        final Preference showMemoryLeaksPreference
-                = findPreference(getString(R.string.show_memory_leaks_key));
-        final Preference showImageIndicatorsPreference
-                = findPreference(getString(R.string.show_image_indicators_key));
-        final Preference crashTheAppPreference
-                = findPreference(getString(R.string.crash_the_app_key));
-
-        assert showMemoryLeaksPreference != null;
-        assert showImageIndicatorsPreference != null;
-        assert crashTheAppPreference != null;
-
-        showMemoryLeaksPreference.setOnPreferenceClickListener(preference -> {
-            startActivity(LeakCanary.INSTANCE.newLeakDisplayActivityIntent());
-            return true;
-        });
-
-        showImageIndicatorsPreference.setOnPreferenceChangeListener((preference, newValue) -> {
-            PicassoHelper.setIndicatorsEnabled((Boolean) newValue);
-            return true;
-        });
-
-        crashTheAppPreference.setOnPreferenceClickListener(preference -> {
-            throw new RuntimeException();
-        });
-    }
-}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -256,6 +256,21 @@
                <data android:pathPrefix="/" />
            </intent-filter>

+            <!-- y2u.be filter -->
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <action android:name="android.media.action.MEDIA_PLAY_FROM_SEARCH" />
+                <action android:name="android.nfc.action.NDEF_DISCOVERED" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data android:scheme="http" />
+                <data android:scheme="https" />
+                <data android:host="y2u.be" />
+                <data android:pathPrefix="/" />
+            </intent-filter>
+
            <!-- Soundcloud filter -->
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
@@ -323,10 +338,15 @@
                <data android:host="video.ploud.fr" />
                <data android:host="video.lqdn.fr" />
                <data android:host="skeptikon.fr" />
+                <data android:host="media.fsfe.org" />

                <data android:pathPrefix="/videos/" /> <!-- it contains playlists -->
+                <data android:pathPrefix="/w/" /> <!-- short video URLs -->
+                <data android:pathPrefix="/w/p/" /> <!-- short playlist URLs -->
                <data android:pathPrefix="/accounts/" />
+                <data android:pathPrefix="/a/" /> <!-- short account URLs -->
                <data android:pathPrefix="/video-channels/" />
+                <data android:pathPrefix="/c/" /> <!-- short video-channels URLs -->
            </intent-filter>

            <!-- Bandcamp filter for tracks, albums and playlists -->
--- a/app/src/main/java/androidx/fragment/app/FragmentStatePagerAdapterMenuWorkaround.java
+++ b/app/src/main/java/androidx/fragment/app/FragmentStatePagerAdapterMenuWorkaround.java
@@ -51,8 +51,12 @@ import java.util.ArrayList;
 *     <li>{@link #saveState()}</li>
 *     <li>{@link #restoreState(Parcelable, ClassLoader)}</li>
 * </ul>
+ *
+ * @deprecated Switch to {@link androidx.viewpager2.widget.ViewPager2} and use
+ * {@link androidx.viewpager2.adapter.FragmentStateAdapter} instead.
 */
@SuppressWarnings("deprecation")
+@Deprecated
 public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapter {
    private static final String TAG = "FragmentStatePagerAdapt";
    private static final boolean DEBUG = false;
@@ -86,9 +90,10 @@ public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapt
    private final int mBehavior;
    private FragmentTransaction mCurTransaction = null;

-    private final ArrayList<Fragment.SavedState> mSavedState = new ArrayList<Fragment.SavedState>();
-    private final ArrayList<Fragment> mFragments = new ArrayList<Fragment>();
+    private final ArrayList<Fragment.SavedState> mSavedState = new ArrayList<>();
+    private final ArrayList<Fragment> mFragments = new ArrayList<>();
    private Fragment mCurrentPrimaryItem = null;
+    private boolean mExecutingFinishUpdate;

    /**
     * Constructor for {@link FragmentStatePagerAdapterMenuWorkaround}
@@ -208,7 +213,7 @@ public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapt
        mFragments.set(position, null);

        mCurTransaction.remove(fragment);
-        if (fragment == mCurrentPrimaryItem) {
+        if (fragment.equals(mCurrentPrimaryItem)) {
            mCurrentPrimaryItem = null;
        }
    }
@@ -247,7 +252,19 @@ public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapt
    @Override
    public void finishUpdate(@NonNull final ViewGroup container) {
        if (mCurTransaction != null) {
-            mCurTransaction.commitNowAllowingStateLoss();
+            // We drop any transactions that attempt to be committed
+            // from a re-entrant call to finishUpdate(). We need to
+            // do this as a workaround for Robolectric running measure/layout
+            // calls inline rather than allowing them to be posted
+            // as they would on a real device.
+            if (!mExecutingFinishUpdate) {
+                try {
+                    mExecutingFinishUpdate = true;
+                    mCurTransaction.commitNowAllowingStateLoss();
+                } finally {
+                    mExecutingFinishUpdate = false;
+                }
+            }
            mCurTransaction = null;
        }
    }
--- a/app/src/main/java/com/google/android/material/appbar/FlingBehavior.java
+++ b/app/src/main/java/com/google/android/material/appbar/FlingBehavior.java
@@ -63,6 +63,7 @@ public final class FlingBehavior extends AppBarLayout.Behavior {
        return consumed == dy;
    }

+    @Override
    public boolean onInterceptTouchEvent(@NonNull final CoordinatorLayout parent,
                                         @NonNull final AppBarLayout child,
                                         @NonNull final MotionEvent ev) {
--- a/app/src/main/java/org/apache/commons/text/similarity/FuzzyScore.java
+++ b/app/src/main/java/org/apache/commons/text/similarity/FuzzyScore.java
@@ -0,0 +1,148 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.text.similarity;
+
+import java.util.Locale;
+
+/**
+ * A matching algorithm that is similar to the searching algorithms implemented in editors such
+ * as Sublime Text, TextMate, Atom and others.
+ *
+ * <p>
+ * One point is given for every matched character. Subsequent matches yield two bonus points.
+ * A higher score indicates a higher similarity.
+ * </p>
+ *
+ * <p>
+ * This code has been adapted from Apache Commons Lang 3.3.
+ * </p>
+ *
+ * @since 1.0
+ *
+ * Note: This class was forked from
+ * <a href="https://git.io/JyYJg">
+ *     apache/commons-text (8cfdafc) FuzzyScore.java
+ * </a>
+ */
+public class FuzzyScore {
+
+    /**
+     * Locale used to change the case of text.
+     */
+    private final Locale locale;
+
+
+    /**
+     * This returns a {@link Locale}-specific {@link FuzzyScore}.
+     *
+     * @param locale The string matching logic is case insensitive.
+    A {@link Locale} is necessary to normalize both Strings to lower case.
+     * @throws IllegalArgumentException
+     *         This is thrown if the {@link Locale} parameter is {@code null}.
+     */
+    public FuzzyScore(final Locale locale) {
+        if (locale == null) {
+            throw new IllegalArgumentException("Locale must not be null");
+        }
+        this.locale = locale;
+    }
+
+    /**
+     * Find the Fuzzy Score which indicates the similarity score between two
+     * Strings.
+     *
+     * <pre>
+     * score.fuzzyScore(null, null)                          = IllegalArgumentException
+     * score.fuzzyScore("not null", null)                    = IllegalArgumentException
+     * score.fuzzyScore(null, "not null")                    = IllegalArgumentException
+     * score.fuzzyScore("", "")                              = 0
+     * score.fuzzyScore("Workshop", "b")                     = 0
+     * score.fuzzyScore("Room", "o")                         = 1
+     * score.fuzzyScore("Workshop", "w")                     = 1
+     * score.fuzzyScore("Workshop", "ws")                    = 2
+     * score.fuzzyScore("Workshop", "wo")                    = 4
+     * score.fuzzyScore("Apache Software Foundation", "asf") = 3
+     * </pre>
+     *
+     * @param term a full term that should be matched against, must not be null
+     * @param query the query that will be matched against a term, must not be
+     *            null
+     * @return result score
+     * @throws IllegalArgumentException if the term or query is {@code null}
+     */
+    public Integer fuzzyScore(final CharSequence term, final CharSequence query) {
+        if (term == null || query == null) {
+            throw new IllegalArgumentException("CharSequences must not be null");
+        }
+
+        // fuzzy logic is case insensitive. We normalize the Strings to lower
+        // case right from the start. Turning characters to lower case
+        // via Character.toLowerCase(char) is unfortunately insufficient
+        // as it does not accept a locale.
+        final String termLowerCase = term.toString().toLowerCase(locale);
+        final String queryLowerCase = query.toString().toLowerCase(locale);
+
+        // the resulting score
+        int score = 0;
+
+        // the position in the term which will be scanned next for potential
+        // query character matches
+        int termIndex = 0;
+
+        // index of the previously matched character in the term
+        int previousMatchingCharacterIndex = Integer.MIN_VALUE;
+
+        for (int queryIndex = 0; queryIndex < queryLowerCase.length(); queryIndex++) {
+            final char queryChar = queryLowerCase.charAt(queryIndex);
+
+            boolean termCharacterMatchFound = false;
+            for (; termIndex < termLowerCase.length()
+                    && !termCharacterMatchFound; termIndex++) {
+                final char termChar = termLowerCase.charAt(termIndex);
+
+                if (queryChar == termChar) {
+                    // simple character matches result in one point
+                    score++;
+
+                    // subsequent character matches further improve
+                    // the score.
+                    if (previousMatchingCharacterIndex + 1 == termIndex) {
+                        score += 2;
+                    }
+
+                    previousMatchingCharacterIndex = termIndex;
+
+                    // we can leave the nested loop. Every character in the
+                    // query can match at most one character in the term.
+                    termCharacterMatchFound = true;
+                }
+            }
+        }
+
+        return score;
+    }
+
+    /**
+     * Gets the locale.
+     *
+     * @return The locale
+     */
+    public Locale getLocale() {
+        return locale;
+    }
+
+}
--- a/app/src/main/java/org/schabi/newpipe/App.java
+++ b/app/src/main/java/org/schabi/newpipe/App.java
@@ -13,13 +13,8 @@ import androidx.preference.PreferenceManager;
 import com.jakewharton.processphoenix.ProcessPhoenix;

 import org.acra.ACRA;
-import org.acra.config.ACRAConfigurationException;
-import org.acra.config.CoreConfiguration;
 import org.acra.config.CoreConfigurationBuilder;
-import org.schabi.newpipe.error.ErrorActivity;
-import org.schabi.newpipe.error.ErrorInfo;
 import org.schabi.newpipe.error.ReCaptchaActivity;
-import org.schabi.newpipe.error.UserAction;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.downloader.Downloader;
 import org.schabi.newpipe.ktx.ExceptionUtils;
@@ -210,16 +205,9 @@ public class App extends MultiDexApplication {
            return;
        }

-        try {
-            final CoreConfiguration acraConfig = new CoreConfigurationBuilder(this)
-                    .setBuildConfigClass(BuildConfig.class)
-                    .build();
-            ACRA.init(this, acraConfig);
-        } catch (final ACRAConfigurationException exception) {
-            exception.printStackTrace();
-            ErrorActivity.reportError(this, new ErrorInfo(exception,
-                    UserAction.SOMETHING_ELSE, "Could not initialize ACRA crash report"));
-        }
+        final CoreConfigurationBuilder acraConfig = new CoreConfigurationBuilder(this)
+                .withBuildConfigClass(BuildConfig.class);
+        ACRA.init(this, acraConfig);
    }

    private void initNotificationChannels() {
@@ -227,31 +215,39 @@ public class App extends MultiDexApplication {
        // the main and update channels
        final NotificationChannelCompat mainChannel = new NotificationChannelCompat
                .Builder(getString(R.string.notification_channel_id),
-                NotificationManagerCompat.IMPORTANCE_LOW)
+                        NotificationManagerCompat.IMPORTANCE_LOW)
                .setName(getString(R.string.notification_channel_name))
                .setDescription(getString(R.string.notification_channel_description))
                .build();

        final NotificationChannelCompat appUpdateChannel = new NotificationChannelCompat
                .Builder(getString(R.string.app_update_notification_channel_id),
-                NotificationManagerCompat.IMPORTANCE_LOW)
+                        NotificationManagerCompat.IMPORTANCE_LOW)
                .setName(getString(R.string.app_update_notification_channel_name))
                .setDescription(getString(R.string.app_update_notification_channel_description))
                .build();

        final NotificationChannelCompat hashChannel = new NotificationChannelCompat
                .Builder(getString(R.string.hash_channel_id),
-                NotificationManagerCompat.IMPORTANCE_HIGH)
+                        NotificationManagerCompat.IMPORTANCE_HIGH)
                .setName(getString(R.string.hash_channel_name))
                .setDescription(getString(R.string.hash_channel_description))
                .build();

+        final NotificationChannelCompat errorReportChannel = new NotificationChannelCompat
+                .Builder(getString(R.string.error_report_channel_id),
+                        NotificationManagerCompat.IMPORTANCE_LOW)
+                .setName(getString(R.string.error_report_channel_name))
+                .setDescription(getString(R.string.error_report_channel_description))
+                .build();
+
        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
        notificationManager.createNotificationChannelsCompat(Arrays.asList(mainChannel,
-                appUpdateChannel, hashChannel));
+                appUpdateChannel, hashChannel, errorReportChannel));
    }

    protected boolean isDisposedRxExceptionsReported() {
        return false;
    }
+
 }
--- a/app/src/main/java/org/schabi/newpipe/BaseFragment.java
+++ b/app/src/main/java/org/schabi/newpipe/BaseFragment.java
@@ -21,7 +21,6 @@ public abstract class BaseFragment extends Fragment {
    //These values are used for controlling fragments when they are part of the frontpage
    @State
    protected boolean useAsFrontPage = false;
-    private boolean mIsVisibleToUser = false;

    public void useAsFrontPage(final boolean value) {
        useAsFrontPage = value;
@@ -85,12 +84,6 @@ public abstract class BaseFragment extends Fragment {
        AppWatcher.INSTANCE.getObjectWatcher().watch(this);
    }

-    @Override
-    public void setUserVisibleHint(final boolean isVisibleToUser) {
-        super.setUserVisibleHint(isVisibleToUser);
-        mIsVisibleToUser = isVisibleToUser;
-    }
-
    /*//////////////////////////////////////////////////////////////////////////
    // Init
    //////////////////////////////////////////////////////////////////////////*/
@@ -109,8 +102,7 @@ public abstract class BaseFragment extends Fragment {
        if (DEBUG) {
            Log.d(TAG, "setTitle() called with: title = [" + title + "]");
        }
-        if ((!useAsFrontPage || mIsVisibleToUser)
-                && (activity != null && activity.getSupportActionBar() != null)) {
+        if (!useAsFrontPage && activity != null && activity.getSupportActionBar() != null) {
            activity.getSupportActionBar().setDisplayShowTitleEnabled(true);
            activity.getSupportActionBar().setTitle(title);
        }
--- a/app/src/main/java/org/schabi/newpipe/CheckForNewAppVersion.java
+++ b/app/src/main/java/org/schabi/newpipe/CheckForNewAppVersion.java
@@ -7,7 +7,6 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.content.pm.Signature;
-import android.net.ConnectivityManager;
 import android.net.Uri;
 import android.util.Log;

@@ -15,7 +14,6 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.core.app.NotificationCompat;
 import androidx.core.app.NotificationManagerCompat;
-import androidx.core.content.ContextCompat;
 import androidx.core.content.pm.PackageInfoCompat;
 import androidx.preference.PreferenceManager;

@@ -23,8 +21,8 @@ import com.grack.nanojson.JsonObject;
 import com.grack.nanojson.JsonParser;
 import com.grack.nanojson.JsonParserException;

-import org.schabi.newpipe.error.ErrorActivity;
 import org.schabi.newpipe.error.ErrorInfo;
+import org.schabi.newpipe.error.ErrorUtil;
 import org.schabi.newpipe.error.UserAction;
 import org.schabi.newpipe.extractor.downloader.Response;
 import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
@@ -48,7 +46,8 @@ public final class CheckForNewAppVersion extends IntentService {
    private static final boolean DEBUG = MainActivity.DEBUG;
    private static final String TAG = CheckForNewAppVersion.class.getSimpleName();

-    private static final String GITHUB_APK_SHA1
+    // Public key of the certificate that is used in NewPipe release versions
+    private static final String RELEASE_CERT_PUBLIC_KEY_SHA1
            = "B0:2E:90:7C:1C:D6:FC:57:C3:35:F0:88:D0:8F:50:5F:94:E4:D2:15";
    private static final String NEWPIPE_API_URL = "https://newpipe.net/api/data.json";

@@ -65,7 +64,7 @@ public final class CheckForNewAppVersion extends IntentService {
            signatures = PackageInfoCompat.getSignatures(application.getPackageManager(),
                    application.getPackageName());
        } catch (final PackageManager.NameNotFoundException e) {
-            ErrorActivity.reportError(application, new ErrorInfo(e,
+            ErrorUtil.createNotification(application, new ErrorInfo(e,
                    UserAction.CHECK_FOR_NEW_APP_VERSION, "Could not find package info"));
            return "";
        }
@@ -80,7 +79,7 @@ public final class CheckForNewAppVersion extends IntentService {
            final CertificateFactory cf = CertificateFactory.getInstance("X509");
            c = (X509Certificate) cf.generateCertificate(input);
        } catch (final CertificateException e) {
-            ErrorActivity.reportError(application, new ErrorInfo(e,
+            ErrorUtil.createNotification(application, new ErrorInfo(e,
                    UserAction.CHECK_FOR_NEW_APP_VERSION, "Certificate error"));
            return "";
        }
@@ -90,7 +89,7 @@ public final class CheckForNewAppVersion extends IntentService {
            final byte[] publicKey = md.digest(c.getEncoded());
            return byte2HexFormatted(publicKey);
        } catch (NoSuchAlgorithmException | CertificateEncodingException e) {
-            ErrorActivity.reportError(application, new ErrorInfo(e,
+            ErrorUtil.createNotification(application, new ErrorInfo(e,
                    UserAction.CHECK_FOR_NEW_APP_VERSION, "Could not retrieve SHA1 key"));
            return "";
        }
@@ -129,44 +128,37 @@ public final class CheckForNewAppVersion extends IntentService {
                                                             final String versionName,
                                                             final String apkLocationUrl,
                                                             final int versionCode) {
-        final int notificationId = 2000;
-
-        if (BuildConfig.VERSION_CODE < versionCode) {
-            // A pending intent to open the apk location url in the browser.
-            final Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(apkLocationUrl));
-            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            final PendingIntent pendingIntent
-                    = PendingIntent.getActivity(application, 0, intent, 0);
-
-            final String channelId = application
-                    .getString(R.string.app_update_notification_channel_id);
-            final NotificationCompat.Builder notificationBuilder
-                    = new NotificationCompat.Builder(application, channelId)
-                    .setSmallIcon(R.drawable.ic_newpipe_update)
-                    .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
-                    .setContentIntent(pendingIntent)
-                    .setAutoCancel(true)
-                    .setContentTitle(application
-                            .getString(R.string.app_update_notification_content_title))
-                    .setContentText(application
-                            .getString(R.string.app_update_notification_content_text)
-                            + " " + versionName);
-
-            final NotificationManagerCompat notificationManager
-                    = NotificationManagerCompat.from(application);
-            notificationManager.notify(notificationId, notificationBuilder.build());
+        if (BuildConfig.VERSION_CODE >= versionCode) {
+            return;
        }
+
+        // A pending intent to open the apk location url in the browser.
+        final Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(apkLocationUrl));
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        final PendingIntent pendingIntent
+                = PendingIntent.getActivity(application, 0, intent, 0);
+
+        final String channelId = application
+                .getString(R.string.app_update_notification_channel_id);
+        final NotificationCompat.Builder notificationBuilder
+                = new NotificationCompat.Builder(application, channelId)
+                .setSmallIcon(R.drawable.ic_newpipe_update)
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+                .setContentIntent(pendingIntent)
+                .setAutoCancel(true)
+                .setContentTitle(application
+                        .getString(R.string.app_update_notification_content_title))
+                .setContentText(application
+                        .getString(R.string.app_update_notification_content_text)
+                        + " " + versionName);
+
+        final NotificationManagerCompat notificationManager
+                = NotificationManagerCompat.from(application);
+        notificationManager.notify(2000, notificationBuilder.build());
    }

-    private static boolean isConnected(@NonNull final App app) {
-        final ConnectivityManager connectivityManager =
-                ContextCompat.getSystemService(app, ConnectivityManager.class);
-        return connectivityManager != null && connectivityManager.getActiveNetworkInfo() != null
-                && connectivityManager.getActiveNetworkInfo().isConnected();
-    }
-
-    public static boolean isGithubApk(@NonNull final App app) {
-        return getCertificateSHA1Fingerprint(app).equals(GITHUB_APK_SHA1);
+    public static boolean isReleaseApk(@NonNull final App app) {
+        return getCertificateSHA1Fingerprint(app).equals(RELEASE_CERT_PUBLIC_KEY_SHA1);
    }

    private void checkNewVersion() throws IOException, ReCaptchaException {
@@ -175,9 +167,8 @@ public final class CheckForNewAppVersion extends IntentService {
        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(app);
        final NewVersionManager manager = new NewVersionManager();

-        // Check if user has enabled/disabled update checking
-        // and if the current apk is a github one or not.
-        if (!prefs.getBoolean(app.getString(R.string.update_app_key), true) || !isGithubApk(app)) {
+        // Check if the current apk is a github one or not.
+        if (!isReleaseApk(app)) {
            return;
        }

@@ -213,6 +204,7 @@ public final class CheckForNewAppVersion extends IntentService {

        // Parse the json from the response.
        try {
+
            final JsonObject githubStableObject = JsonParser.object()
                    .from(response.responseBody()).getObject("flavors")
                    .getObject("github").getObject("stable");
@@ -235,6 +227,23 @@ public final class CheckForNewAppVersion extends IntentService {
        }
    }

+    /**
+     * Start a new service which
+     * checks if all conditions for performing a version check are met,
+     * fetches the API endpoint {@link #NEWPIPE_API_URL} containing info
+     * about the latest NewPipe version
+     * and displays a notification about ana available update.
+     * <br>
+     * Following conditions need to be met, before data is request from the server:
+     * <ul>
+     * <li> The app is signed with the correct signing key (by TeamNewPipe / schabi).
+     * If the signing key differs from the one used upstream, the update cannot be installed.</li>
+     * <li>The user enabled searching for and notifying about updates in the settings.</li>
+     * <li>The app did not recently check for updates.
+     * We do not want to make unnecessary connections and DOS our servers.</li>
+     * </ul>
+     * <b>Must not be executed</b> when the app is in background.
+     */
    public static void startNewVersionCheckService() {
        final Intent intent = new Intent(App.getApp().getApplicationContext(),
                CheckForNewAppVersion.class);
--- a/app/src/main/java/org/schabi/newpipe/MainActivity.java
+++ b/app/src/main/java/org/schabi/newpipe/MainActivity.java
@@ -21,6 +21,7 @@
 package org.schabi.newpipe;

 import static org.schabi.newpipe.CheckForNewAppVersion.startNewVersionCheckService;
+import static org.schabi.newpipe.util.Localization.assureCorrectAppLanguage;

 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -62,7 +63,7 @@ import org.schabi.newpipe.databinding.DrawerHeaderBinding;
 import org.schabi.newpipe.databinding.DrawerLayoutBinding;
 import org.schabi.newpipe.databinding.InstanceSpinnerLayoutBinding;
 import org.schabi.newpipe.databinding.ToolbarLayoutBinding;
-import org.schabi.newpipe.error.ErrorActivity;
+import org.schabi.newpipe.error.ErrorUtil;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.StreamingService;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
@@ -93,8 +94,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;

-import static org.schabi.newpipe.util.Localization.assureCorrectAppLanguage;
-
 public class MainActivity extends AppCompatActivity {
    private static final String TAG = "MainActivity";
    @SuppressWarnings("ConstantConditions")
@@ -158,19 +157,66 @@ public class MainActivity extends AppCompatActivity {
        try {
            setupDrawer();
        } catch (final Exception e) {
-            ErrorActivity.reportUiErrorInSnackbar(this, "Setting up drawer", e);
+            ErrorUtil.showUiErrorSnackbar(this, "Setting up drawer", e);
        }

        if (DeviceUtils.isTv(this)) {
            FocusOverlayView.setupFocusObserver(this);
        }
        openMiniPlayerUponPlayerStarted();
-
-        // Check for new version
-        startNewVersionCheckService();
    }

-    private void setupDrawer() throws Exception {
+    @Override
+    protected void onPostCreate(final Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+
+        final App app = App.getApp();
+        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(app);
+
+        if (prefs.getBoolean(app.getString(R.string.update_app_key), true)) {
+            // Start the service which is checking all conditions
+            // and eventually searching for a new version.
+            // The service searching for a new NewPipe version must not be started in background.
+            startNewVersionCheckService();
+        }
+    }
+
+    private void setupDrawer() throws ExtractionException {
+        addDrawerMenuForCurrentService();
+
+        toggle = new ActionBarDrawerToggle(this, mainBinding.getRoot(),
+                toolbarLayoutBinding.toolbar, R.string.drawer_open, R.string.drawer_close);
+        toggle.syncState();
+        mainBinding.getRoot().addDrawerListener(toggle);
+        mainBinding.getRoot().addDrawerListener(new DrawerLayout.SimpleDrawerListener() {
+            private int lastService;
+
+            @Override
+            public void onDrawerOpened(final View drawerView) {
+                lastService = ServiceHelper.getSelectedServiceId(MainActivity.this);
+            }
+
+            @Override
+            public void onDrawerClosed(final View drawerView) {
+                if (servicesShown) {
+                    toggleServices();
+                }
+                if (lastService != ServiceHelper.getSelectedServiceId(MainActivity.this)) {
+                    ActivityCompat.recreate(MainActivity.this);
+                }
+            }
+        });
+
+        drawerLayoutBinding.navigation.setNavigationItemSelectedListener(this::drawerItemSelected);
+        setupDrawerHeader();
+    }
+
+    /**
+     * Builds the drawer menu for the current service.
+     *
+     * @throws ExtractionException if the service didn't provide available kiosks
+     */
+    private void addDrawerMenuForCurrentService() throws ExtractionException {
        //Tabs
        final int currentServiceId = ServiceHelper.getSelectedServiceId(this);
        final StreamingService service = NewPipe.getService(currentServiceId);
@@ -209,32 +255,6 @@ public class MainActivity extends AppCompatActivity {
        drawerLayoutBinding.navigation.getMenu()
                .add(R.id.menu_options_about_group, ITEM_ID_ABOUT, ORDER, R.string.tab_about)
                .setIcon(R.drawable.ic_info_outline);
-
-        toggle = new ActionBarDrawerToggle(this, mainBinding.getRoot(),
-                toolbarLayoutBinding.toolbar, R.string.drawer_open, R.string.drawer_close);
-        toggle.syncState();
-        mainBinding.getRoot().addDrawerListener(toggle);
-        mainBinding.getRoot().addDrawerListener(new DrawerLayout.SimpleDrawerListener() {
-            private int lastService;
-
-            @Override
-            public void onDrawerOpened(final View drawerView) {
-                lastService = ServiceHelper.getSelectedServiceId(MainActivity.this);
-            }
-
-            @Override
-            public void onDrawerClosed(final View drawerView) {
-                if (servicesShown) {
-                    toggleServices();
-                }
-                if (lastService != ServiceHelper.getSelectedServiceId(MainActivity.this)) {
-                    ActivityCompat.recreate(MainActivity.this);
-                }
-            }
-        });
-
-        drawerLayoutBinding.navigation.setNavigationItemSelectedListener(this::drawerItemSelected);
-        setupDrawerHeader();
    }

    private boolean drawerItemSelected(final MenuItem item) {
@@ -246,7 +266,7 @@ public class MainActivity extends AppCompatActivity {
                try {
                    tabSelected(item);
                } catch (final Exception e) {
-                    ErrorActivity.reportUiErrorInSnackbar(this, "Selecting main page tab", e);
+                    ErrorUtil.showUiErrorSnackbar(this, "Selecting main page tab", e);
                }
                break;
            case R.id.menu_options_about_group:
@@ -342,20 +362,22 @@ public class MainActivity extends AppCompatActivity {
        drawerLayoutBinding.navigation.getMenu().removeGroup(R.id.menu_tabs_group);
        drawerLayoutBinding.navigation.getMenu().removeGroup(R.id.menu_options_about_group);

+        // Show up or down arrow
+        drawerHeaderBinding.drawerArrow.setImageResource(
+                servicesShown ? R.drawable.ic_arrow_drop_up : R.drawable.ic_arrow_drop_down);
+
        if (servicesShown) {
            showServices();
        } else {
            try {
-                showTabs();
+                addDrawerMenuForCurrentService();
            } catch (final Exception e) {
-                ErrorActivity.reportUiErrorInSnackbar(this, "Showing main page tabs", e);
+                ErrorUtil.showUiErrorSnackbar(this, "Showing main page tabs", e);
            }
        }
    }

    private void showServices() {
-        drawerHeaderBinding.drawerArrow.setImageResource(R.drawable.ic_arrow_drop_up);
-
        for (final StreamingService s : NewPipe.getServices()) {
            final String title = s.getServiceInfo().getName()
                    + (ServiceHelper.isBeta(s) ? " (beta)" : "");
@@ -419,48 +441,6 @@ public class MainActivity extends AppCompatActivity {
        menuItem.setActionView(spinner);
    }

-    private void showTabs() throws ExtractionException {
-        drawerHeaderBinding.drawerArrow.setImageResource(R.drawable.ic_arrow_drop_down);
-
-        //Tabs
-        final int currentServiceId = ServiceHelper.getSelectedServiceId(this);
-        final StreamingService service = NewPipe.getService(currentServiceId);
-
-        int kioskId = 0;
-
-        for (final String ks : service.getKioskList().getAvailableKiosks()) {
-            drawerLayoutBinding.navigation.getMenu()
-                    .add(R.id.menu_tabs_group, kioskId, ORDER,
-                            KioskTranslator.getTranslatedKioskName(ks, this))
-                    .setIcon(KioskTranslator.getKioskIcon(ks, this));
-            kioskId++;
-        }
-
-        drawerLayoutBinding.navigation.getMenu()
-                .add(R.id.menu_tabs_group, ITEM_ID_SUBSCRIPTIONS, ORDER, R.string.tab_subscriptions)
-                .setIcon(R.drawable.ic_tv);
-        drawerLayoutBinding.navigation.getMenu()
-                .add(R.id.menu_tabs_group, ITEM_ID_FEED, ORDER, R.string.fragment_feed_title)
-                .setIcon(R.drawable.ic_rss_feed);
-        drawerLayoutBinding.navigation.getMenu()
-                .add(R.id.menu_tabs_group, ITEM_ID_BOOKMARKS, ORDER, R.string.tab_bookmarks)
-                .setIcon(R.drawable.ic_bookmark);
-        drawerLayoutBinding.navigation.getMenu()
-                .add(R.id.menu_tabs_group, ITEM_ID_DOWNLOADS, ORDER, R.string.downloads)
-                .setIcon(R.drawable.ic_file_download);
-        drawerLayoutBinding.navigation.getMenu()
-                .add(R.id.menu_tabs_group, ITEM_ID_HISTORY, ORDER, R.string.action_history)
-                .setIcon(R.drawable.ic_history);
-
-        //Settings and About
-        drawerLayoutBinding.navigation.getMenu()
-                .add(R.id.menu_options_about_group, ITEM_ID_SETTINGS, ORDER, R.string.settings)
-                .setIcon(R.drawable.ic_settings);
-        drawerLayoutBinding.navigation.getMenu()
-                .add(R.id.menu_options_about_group, ITEM_ID_ABOUT, ORDER, R.string.tab_about)
-                .setIcon(R.drawable.ic_info_outline);
-    }
-
    @Override
    protected void onDestroy() {
        super.onDestroy();
@@ -495,7 +475,7 @@ public class MainActivity extends AppCompatActivity {
            drawerHeaderBinding.drawerHeaderActionButton.setContentDescription(
                    getString(R.string.drawer_header_description) + selectedServiceName);
        } catch (final Exception e) {
-            ErrorActivity.reportUiErrorInSnackbar(this, "Setting up service toggle", e);
+            ErrorUtil.showUiErrorSnackbar(this, "Setting up service toggle", e);
        }

        final SharedPreferences sharedPreferences
@@ -805,7 +785,7 @@ public class MainActivity extends AppCompatActivity {
                NavigationHelper.gotoMainFragment(getSupportFragmentManager());
            }
        } catch (final Exception e) {
-            ErrorActivity.reportUiErrorInSnackbar(this, "Handling intent", e);
+            ErrorUtil.showUiErrorSnackbar(this, "Handling intent", e);
        }
    }

--- a/app/src/main/java/org/schabi/newpipe/QueueItemMenuUtil.java
+++ b/app/src/main/java/org/schabi/newpipe/QueueItemMenuUtil.java
@@ -9,15 +9,19 @@ import android.widget.PopupMenu;

 import androidx.fragment.app.FragmentManager;

-import org.schabi.newpipe.local.dialog.PlaylistAppendDialog;
-import org.schabi.newpipe.local.dialog.PlaylistCreationDialog;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.local.dialog.PlaylistDialog;
 import org.schabi.newpipe.player.playqueue.PlayQueue;
 import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.SaveUploaderUrlHelper;

 import java.util.Collections;

 public final class QueueItemMenuUtil {
+    private QueueItemMenuUtil() {
+    }
+
    public static void openPopupMenu(final PlayQueue playQueue,
                                     final PlayQueueItem item,
                                     final View view,
@@ -47,13 +51,24 @@ public final class QueueItemMenuUtil {
                            false);
                    return true;
                case R.id.menu_item_append_playlist:
-                    final PlaylistAppendDialog d = PlaylistAppendDialog.fromPlayQueueItems(
-                            Collections.singletonList(item)
+                    PlaylistDialog.createCorrespondingDialog(
+                            context,
+                            Collections.singletonList(new StreamEntity(item)),
+                            dialog -> dialog.show(
+                                    fragmentManager,
+                                    "QueueItemMenuUtil@append_playlist"
+                            )
                    );
-                    PlaylistAppendDialog.onPlaylistFound(context,
-                            () -> d.show(fragmentManager, "QueueItemMenuUtil@append_playlist"),
-                            () -> PlaylistCreationDialog.newInstance(d)
-                                    .show(fragmentManager, "QueueItemMenuUtil@append_playlist"));
+
+                    return true;
+                case R.id.menu_item_channel_details:
+                    SaveUploaderUrlHelper.saveUploaderUrlIfNeeded(context, item,
+                            // An intent must be used here.
+                            // Opening with FragmentManager transactions is not working,
+                            // as PlayQueueActivity doesn't use fragments.
+                            uploaderUrl -> NavigationHelper.openChannelFragmentUsingIntent(
+                                    context, item.getServiceId(), uploaderUrl, item.getUploader()
+                            ));
                    return true;
                case R.id.menu_item_share:
                    shareText(context, item.getTitle(), item.getUrl(),
@@ -65,6 +80,4 @@ public final class QueueItemMenuUtil {

        popupMenu.show();
    }
-
-    private QueueItemMenuUtil() { }
 }
--- a/app/src/main/java/org/schabi/newpipe/RouterActivity.java
+++ b/app/src/main/java/org/schabi/newpipe/RouterActivity.java
@@ -1,5 +1,8 @@
 package org.schabi.newpipe;

+import static org.schabi.newpipe.extractor.StreamingService.ServiceInfo.MediaCapability.AUDIO;
+import static org.schabi.newpipe.extractor.StreamingService.ServiceInfo.MediaCapability.VIDEO;
+
 import android.annotation.SuppressLint;
 import android.app.IntentService;
 import android.content.Context;
@@ -30,11 +33,12 @@ import androidx.core.widget.TextViewCompat;
 import androidx.fragment.app.FragmentManager;
 import androidx.preference.PreferenceManager;

+import org.schabi.newpipe.database.stream.model.StreamEntity;
 import org.schabi.newpipe.databinding.ListRadioIconItemBinding;
 import org.schabi.newpipe.databinding.SingleChoiceDialogViewBinding;
 import org.schabi.newpipe.download.DownloadDialog;
-import org.schabi.newpipe.error.ErrorActivity;
 import org.schabi.newpipe.error.ErrorInfo;
+import org.schabi.newpipe.error.ErrorUtil;
 import org.schabi.newpipe.error.ReCaptchaActivity;
 import org.schabi.newpipe.error.UserAction;
 import org.schabi.newpipe.extractor.Info;
@@ -56,6 +60,7 @@ import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.VideoStream;
 import org.schabi.newpipe.ktx.ExceptionUtils;
+import org.schabi.newpipe.local.dialog.PlaylistDialog;
 import org.schabi.newpipe.player.MainPlayer;
 import org.schabi.newpipe.player.helper.PlayerHelper;
 import org.schabi.newpipe.player.helper.PlayerHolder;
@@ -69,14 +74,15 @@ import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.PermissionHelper;
-import org.schabi.newpipe.util.external_communication.ShareUtils;
 import org.schabi.newpipe.util.ThemeHelper;
+import org.schabi.newpipe.util.external_communication.ShareUtils;
 import org.schabi.newpipe.util.urlfinder.UrlFinder;
 import org.schabi.newpipe.views.FocusOverlayView;

 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;

 import icepick.Icepick;
@@ -89,9 +95,6 @@ import io.reactivex.rxjava3.disposables.Disposable;
 import io.reactivex.rxjava3.functions.Consumer;
 import io.reactivex.rxjava3.schedulers.Schedulers;

-import static org.schabi.newpipe.extractor.StreamingService.ServiceInfo.MediaCapability.AUDIO;
-import static org.schabi.newpipe.extractor.StreamingService.ServiceInfo.MediaCapability.VIDEO;
-
 /**
 * Get the url from the intent and open it in the chosen preferred player.
 */
@@ -107,6 +110,7 @@ public class RouterActivity extends AppCompatActivity {
    protected String currentUrl;
    private StreamingService currentService;
    private boolean selectionIsDownload = false;
+    private boolean selectionIsAddToPlaylist = false;
    private AlertDialog alertDialogChoice = null;

    @Override
@@ -227,7 +231,7 @@ public class RouterActivity extends AppCompatActivity {
        } else if (errorInfo.getThrowable() instanceof ContentNotSupportedException) {
            Toast.makeText(context, R.string.content_not_supported, Toast.LENGTH_LONG).show();
        } else {
-            ErrorActivity.reportError(context, errorInfo);
+            ErrorUtil.createNotification(context, errorInfo);
        }

        if (context instanceof RouterActivity) {
@@ -350,7 +354,7 @@ public class RouterActivity extends AppCompatActivity {
                .setNegativeButton(R.string.just_once, dialogButtonsClickListener)
                .setPositiveButton(R.string.always, dialogButtonsClickListener)
                .setOnDismissListener((dialog) -> {
-                    if (!selectionIsDownload) {
+                    if (!selectionIsDownload && !selectionIsAddToPlaylist) {
                        finish();
                    }
                })
@@ -446,6 +450,10 @@ public class RouterActivity extends AppCompatActivity {
        final AdapterChoiceItem backgroundPlayer = new AdapterChoiceItem(
                getString(R.string.background_player_key), getString(R.string.background_player),
                R.drawable.ic_headset);
+        final AdapterChoiceItem addToPlaylist = new AdapterChoiceItem(
+                getString(R.string.add_to_playlist_key), getString(R.string.add_to_playlist),
+                R.drawable.ic_add);
+

        if (linkType == LinkType.STREAM) {
            if (isExtVideoEnabled) {
@@ -482,6 +490,10 @@ public class RouterActivity extends AppCompatActivity {
                    getString(R.string.download),
                    R.drawable.ic_file_download));

+            // Add to playlist is not necessary for CHANNEL and PLAYLIST linkType since those can
+            // not be added to a playlist
+            returnList.add(addToPlaylist);
+
        } else {
            returnList.add(showInfo);
            if (capabilities.contains(VIDEO) && !isExtVideoEnabled) {
@@ -547,6 +559,12 @@ public class RouterActivity extends AppCompatActivity {
            return;
        }

+        if (selectedChoiceKey.equals(getString(R.string.add_to_playlist_key))) {
+            selectionIsAddToPlaylist = true;
+            openAddToPlaylistDialog();
+            return;
+        }
+
        // stop and bypass FetcherService if InfoScreen was selected since
        // StreamDetailFragment can fetch data itself
        if (selectedChoiceKey.equals(getString(R.string.show_info_key))) {
@@ -572,6 +590,41 @@ public class RouterActivity extends AppCompatActivity {
        finish();
    }

+    private void openAddToPlaylistDialog() {
+        // Getting the stream info usually takes a moment
+        // Notifying the user here to ensure that no confusion arises
+        Toast.makeText(
+                getApplicationContext(),
+                getString(R.string.processing_may_take_a_moment),
+                Toast.LENGTH_SHORT)
+                .show();
+
+        disposables.add(ExtractorHelper.getStreamInfo(currentServiceId, currentUrl, false)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(
+                        info -> PlaylistDialog.createCorrespondingDialog(
+                                getThemeWrapperContext(),
+                                Collections.singletonList(new StreamEntity(info)),
+                                playlistDialog -> {
+                                    playlistDialog.setOnDismissListener(dialog -> finish());
+
+                                    playlistDialog.show(
+                                            this.getSupportFragmentManager(),
+                                            "addToPlaylistDialog"
+                                    );
+                                }
+                        ),
+                        throwable -> handleError(this, new ErrorInfo(
+                                throwable,
+                                UserAction.REQUESTED_STREAM,
+                                "Tried to add " + currentUrl + " to a playlist",
+                                currentService.getServiceId())
+                        )
+                )
+        );
+    }
+
    @SuppressLint("CheckResult")
    private void openDownloadDialog() {
        disposables.add(ExtractorHelper.getStreamInfo(currentServiceId, currentUrl, true)
--- a/app/src/main/java/org/schabi/newpipe/about/AboutActivity.kt
+++ b/app/src/main/java/org/schabi/newpipe/about/AboutActivity.kt
@@ -185,7 +185,11 @@ class AboutActivity : AppCompatActivity() {
            SoftwareComponent(
                "RxJava", "2016 - 2020", "RxJava Contributors",
                "https://github.com/ReactiveX/RxJava", StandardLicenses.APACHE2
-            )
+            ),
+            SoftwareComponent(
+                "SearchPreference", "2018", "ByteHamster",
+                "https://github.com/ByteHamster/SearchPreference", StandardLicenses.MIT
+            ),
        )
        private const val POS_ABOUT = 0
        private const val POS_LICENSE = 1
--- a/app/src/main/java/org/schabi/newpipe/database/feed/dao/FeedDAO.kt
+++ b/app/src/main/java/org/schabi/newpipe/database/feed/dao/FeedDAO.kt
@@ -7,6 +7,7 @@ import androidx.room.Query
 import androidx.room.Transaction
 import androidx.room.Update
 import io.reactivex.rxjava3.core.Flowable
+import io.reactivex.rxjava3.core.Maybe
 import org.schabi.newpipe.database.feed.model.FeedEntity
 import org.schabi.newpipe.database.feed.model.FeedLastUpdatedEntity
 import org.schabi.newpipe.database.stream.StreamWithState
@@ -37,7 +38,7 @@ abstract class FeedDAO {
        LIMIT 500
        """
    )
-    abstract fun getAllStreams(): Flowable<List<StreamWithState>>
+    abstract fun getAllStreams(): Maybe<List<StreamWithState>>

    @Query(
        """
@@ -62,7 +63,7 @@ abstract class FeedDAO {
        LIMIT 500
        """
    )
-    abstract fun getAllStreamsForGroup(groupId: Long): Flowable<List<StreamWithState>>
+    abstract fun getAllStreamsForGroup(groupId: Long): Maybe<List<StreamWithState>>

    /**
     * @see StreamStateEntity.isFinished()
@@ -97,7 +98,7 @@ abstract class FeedDAO {
        LIMIT 500
        """
    )
-    abstract fun getLiveOrNotPlayedStreams(): Flowable<List<StreamWithState>>
+    abstract fun getLiveOrNotPlayedStreams(): Maybe<List<StreamWithState>>

    /**
     * @see StreamStateEntity.isFinished()
@@ -137,7 +138,7 @@ abstract class FeedDAO {
        LIMIT 500
        """
    )
-    abstract fun getLiveOrNotPlayedStreamsForGroup(groupId: Long): Flowable<List<StreamWithState>>
+    abstract fun getLiveOrNotPlayedStreamsForGroup(groupId: Long): Maybe<List<StreamWithState>>

    @Query(
        """
--- a/app/src/main/java/org/schabi/newpipe/database/history/dao/SearchHistoryDAO.java
+++ b/app/src/main/java/org/schabi/newpipe/database/history/dao/SearchHistoryDAO.java
@@ -19,6 +19,7 @@ import static org.schabi.newpipe.database.history.model.SearchHistoryEntry.TABLE
@Dao
 public interface SearchHistoryDAO extends HistoryDAO<SearchHistoryEntry> {
    String ORDER_BY_CREATION_DATE = " ORDER BY " + CREATION_DATE + " DESC";
+    String ORDER_BY_MAX_CREATION_DATE = " ORDER BY MAX(" + CREATION_DATE + ") DESC";

    @Query("SELECT * FROM " + TABLE_NAME
            + " WHERE " + ID + " = (SELECT MAX(" + ID + ") FROM " + TABLE_NAME + ")")
@@ -36,16 +37,16 @@ public interface SearchHistoryDAO extends HistoryDAO<SearchHistoryEntry> {
    @Override
    Flowable<List<SearchHistoryEntry>> getAll();

-    @Query("SELECT * FROM " + TABLE_NAME + " GROUP BY " + SEARCH + ORDER_BY_CREATION_DATE
-            + " LIMIT :limit")
-    Flowable<List<SearchHistoryEntry>> getUniqueEntries(int limit);
+    @Query("SELECT " + SEARCH + " FROM " + TABLE_NAME + " GROUP BY " + SEARCH
+            + ORDER_BY_MAX_CREATION_DATE + " LIMIT :limit")
+    Flowable<List<String>> getUniqueEntries(int limit);

    @Query("SELECT * FROM " + TABLE_NAME
            + " WHERE " + SERVICE_ID + " = :serviceId" + ORDER_BY_CREATION_DATE)
    @Override
    Flowable<List<SearchHistoryEntry>> listByService(int serviceId);

-    @Query("SELECT * FROM " + TABLE_NAME + " WHERE " + SEARCH + " LIKE :query || '%'"
-            + " GROUP BY " + SEARCH + " LIMIT :limit")
-    Flowable<List<SearchHistoryEntry>> getSimilarEntries(String query, int limit);
+    @Query("SELECT " + SEARCH + " FROM " + TABLE_NAME + " WHERE " + SEARCH + " LIKE :query || '%'"
+            + " GROUP BY " + SEARCH + ORDER_BY_MAX_CREATION_DATE + " LIMIT :limit")
+    Flowable<List<String>> getSimilarEntries(String query, int limit);
 }
--- a/Show More
+++ b/Show More