scaleResolutionDownBy has no effect parameter in RTCRtpSender.setParameters(). It works in Chrome and Firefox but has no effect in Safari.
Tested with  taken from .
Safari 13.1.2 on macOS
Safari on iPadOS 13.6
Created attachment 405284 [details]
Committed r264930: <https://trac.webkit.org/changeset/264930>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 405284 [details].
Reverted r264930 for reason:
Reverting Pre-Submission Testing
Committed r265026: <https://trac.webkit.org/changeset/265026>
Reopening due to revert.
The test modified with this change became a flaky failure on iOS debug bots.
Created attachment 405451 [details]
ChangeLog entry in LayoutTests/ChangeLog contains OOPS!.
Created attachment 405470 [details]
Patch for landing
Committed r265047: <https://trac.webkit.org/changeset/265047>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 405470 [details].