[HELP NEEDED] Major planned/missing features

[opusforlife2]

This is a list of some major features currently missing from NewPipe for developers (both team members and current/future contributors) to go through when they are thinking of working on NewPipe:

• Refactor of the massive Player code is sorely needed. Any changes there tend to cause new bugs: Player-related code that should be improved #8616
  • Extract view click listeners from Player #8011
  • Refactor player and extract UI components #8170
  • Create media session UI and fix player notification #8678
  • The code related to how the player is started or changed: Refactor how the player is started or changed #7673
  • Write some documentation that explains how the main components of the player work (along with their layers of abstraction)
  • ...
• DASH and HLS playback
  • Initial support added 🎉
    • Support delivery methods other than progressive HTTP NewPipeExtractor#810
    • Support delivery methods other than progressive HTTP #8153
  • Improvements to the current model used in the extractor
    • Improve handling of HLS/DASH/Progressive HTTP streaming data NewPipeExtractor#858
    • Delivery methods without design flaws NewPipeExtractor#862)
• Channel tabs: Support for Channel Tabs #2414
  • Add support for channel tabs and channel tags NewPipeExtractor#1082
  • Add support for channel tabs #9182
• YouTube mixes and YouTube Music mixes: Add MixInfoItem and extract YouTube mixes in related items NewPipeExtractor#788
• Search filters: Search filter UI #2251
  • Rework content and sort filter framework NewPipeExtractor#904
  • Add support for advanced content and sort filters in searches #8837
• Seamless transition between background and video players: Add seamless transition between background and video players when putting the app in background (for video-only streams and audio-only streams only) #7349
• Allow use of Android Picture-in-Picture API instead of a custom popup player (with Draw over other apps permission) (only for Android 8.0 and higher): Use picture-in-picture (PIP) for the popup player on Android >= 8.0 #8750
• Custom channel group feeds as main page tabs: Allow adding custom feeds as tabs #3319
• Proper storage access on Android TV : Use MANAGE_EXTERNAL_STORAGE permission on Android TV to properly access storage #8359 (Rejected)
• Comment replies: Display comment replies #2277
  • Add support for comment replies #10018
  • [YouTube] Add support to extract total comment count NewPipeExtractor#794
  • [PeerTube] Support comment replies NewPipeExtractor#941
• Multiple audio tracks support: [STOP OPENING DUPLICATES] Support multiple audio tracks #5854
  • Add support for multiple audio tracks #9937
  • Add support for extracting audio track information NewPipeExtractor#973
  • Add descriptive and locale properties to audio streams NewPipeExtractor#1026
  • Add track types to audio streams NewPipeExtractor#1041

[XiangRongLin]

Whats missing for me would be automated tests. Either jvm unit tests or android instrumented tests would allow to develop those tested sections with more confidence and less manual testing.

I personally have experience with autoamted testing in backend applications and roughly know how to make structure an application in order to be testable. As for Android, i have no clue.
I did some preparation by getting the instrumented test to run in CI #5360 and have an open PR #5531 as a first instrumented test.

[litetex]

Helping to review existing pull requests would also be appreciated 😄