Custom Video filters are rolling out to Teams Public Preview ring at the time of writing. The Microsoft provided filters enable applying colour filters to your video feed such as Black and White
Both work with virtual backgrounds and video, but will not support the upcoming Avatars. Whilst this feature as is doesn’t have an obvious business benefit it is still interesting for two reasons:
This feature is currently only available in public preview. A tenant admin needs to allow you to switch to public preview (Admin guidance
https://learn.microsoft.com/microsoftteams/public-preview-doc-updates?WT.mc_id=M365-MVP-5004583
and then you can enable it from the … menu in your Teams client (user guidance)