Announcing Shaka Player v4.0.1, v3.3.5, and v3.2.7

[Joey Parrish]

Hi everyone,

We are pleased to announce the release of Shaka Player v4.0.1, v3.3.5, and v3.2.7.  There are many important fixes in these releases, particularly for HLS.

Fixes in v4.0.1:

• fairplay: Re-add initDataTransform config (#4231) (9a6f150)
  
• Fix VTT cue timing in HLS (#4217) (69d1c14), closes #4191
• hls: Fix av1 codec selection in HLS. (#4203) (4d418be)
• hls: Fix X-PRELOAD-HINT failure with LL mode off (#4212) (ae84aac), closes #4185

• Fix PERIOD_FLATTENING_FAILED error when periods have different base sample types (#4206) (0482aec), closes #4202
  
• Wait for chapters track to be loaded (#4228) (dec3d9c), closes #4186
• Fix exception with streaming.startAtSegmentBoundary (#4216) (24eac2c), closes #4188
• Do not report MANIFEST RESTRICTIONS_CANNOT_BE_MET error twice (#4194) (0b03e79), closes #4190
  
• Fix event listener leaks in Player (#4229) (e6c3b22)

As many of these fixes as possible have been backported to v3.3 and v3.2.  Some may not apply because they relate to features introduced in a later branch.

Full details are available in the changelogs.

Changelog: https://github.com/google/shaka-player/blob/master/CHANGELOG.md
Upgrade guides: https://shaka-player-demo.appspot.com/docs/api/tutorial-upgrade.html
Demo: https://shaka-player-demo.appspot.com/
Docs: https://shaka-player-demo.appspot.com/docs/api/index.html
Full index of Shaka Player releases: https://index-dot-shaka-player-demo.appspot.com/
Latest release on npm: https://www.npmjs.com/package/shaka-player
Compiled builds on Google Hosted Libraries (may lag behind NPM/GitHub): https://developers.google.com/speed/libraries/#shaka-player

Enjoy!