Migration to Manifest Version 3 (MV3)

[dellagustin]

Blockers

• Impact to other browsers
  • Although only informally supported, other browsers such as edge and opera will be impacted if they do not support MV3
• Extensions using MV3 will not be able to play audio from the background (see http://crbug.com/1131236) - background pages are being removed
  • Proposal: Offscreen Documents for Manifest V3 w3c/webextensions#170

References

• https://developer.chrome.com/extensions/migrating_to_manifest_v3
• Sunset MV2
  • https://developer.chrome.com/blog/mv2-transition/
  • https://developer.chrome.com/docs/extensions/mv3/mv2-sunset/
  • https://groups.google.com/u/0/a/chromium.org/g/chromium-extensions/c/zQ77HkGmK9E
• Use cases that are not well served by service workers w3c/webextensions#72