Teamwork and communications | Messaging: 3 API change passages

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1. 7 Nov 2026 · 01:38:20 UTC Link: teamworkChannelTaghttps://learn.microsoft.com/en-us/graph/api/resources/teamworkchanneltag?view=graph-rest-beta&preserve-view=true
2. 7 Nov 2026 · 01:38:20 UTC SummaryRemoved the If-Match header from create section , update section , delete section , reorder sections , create section item , move section item , reorder section items , and delete section item methods of the teamworkSection and teamworkSectionItem resources. These operations now return a 409 Conflict response code for concurrent changes, and no longer return 412 Precondition Failed or 428 Precondition Required . Updated the add teamworkSectionItem method to move an item from another user-defined section. → Removed the If-Match header from create section , update section , delete section , reorder sections , create section item , move section item , reorder section items , and delete section item methods of the teamworkSection and teamworkSectionItem resources. These operations now return a 409 Conflict response code for concurrent changes, and no longer return 412 Precondition Failed or 428 Precondition Required . Updated the add teamworkSectionItem method to move an item from another user-defined section. Added the teamworkChannelTag resource type and associated methods for managing tags owned by a Microsoft Teams channel. Use channel tags to group users within a channel and manage their tag assignments.
3. 7 Nov 2026 · 01:38:20 UTC TitleTeamwork and communications | Messaging (beta): 2 API change passages → Teamwork and communications | Messaging (beta): 3 API change passages
4. 4 Nov 2026 · 17:09:02 UTC Source coverage: graph-monthly-changesIncomplete → Current