Here is a list of issues that were fixed in this release - build PROD_2021_w35.

Issue Key Description
AVSUPPORT-66501 For a few customers, Microsoft Teams was showing a 'Permission revoked' message, suggesting to restart the App manually.
AVSUPPORT-65092, AVSUPPORT-65094, AVSUPPORT-65113, AVSUPPORT-65249, AVSUPPORT-64430, AVSUPPORT-65095, AVSUPPORT-65286, AVSUPPORT-65326, AVSUPPORT-65342, AVSUPPORT-65375, AVSUPPORT-65377, AVSUPPORT-65351 Microsoft Teams was not working correctly, presenting error: 'unable to subscribe for messages'