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Annotations Rest API (v3) and additional improvements

GAUnverifiedAdded Sep 25, 2026

Description: We added new REST API endpoints to manage annotation categories and access new annotation fields (like end date). HC Docs have been updated with the new API. Quality of life improvement: allow bulk copying annotations across projects (from the manage annotations table in project settings). This was a requested feature.

Topics: Developer tools

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DateRelease
Dec 23Streaming transformation (special property) improvementsunverified
Update
Dec 23General destinations page and event streaming improvementsunverified
Update
Jan 8Session Replay Amplitude Session Matchingunverified
Update
Dec 19New Duration Estimatorunverified
Update
Jan 9New External MCP Tools: Creation, Edits, Cohorts, Users, and Feedbackunverified
Update
Dec 18Web Vitals Metrics Hubunverified
Update
Dec 15AI Controls + Org-Level AI Contextunverified
Update
Dec 15Capture Session Replays via the Chrome Extensionunverified
Update

Also shipped on Dec 29, 2025

in December 2025

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