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Feature Flag and Experiment targeting based on First Seen Timestamp

GAUnverifiedAdded Sep 25, 2026

What it is: Remote evaluation for flags and experiments now includes a built-in "First Seen" user property, pulled from the amp ID table at evaluation time. Flags and experiments can target on this value directly, bypassing the cohort membership update cycle that makes new-user targeting unreliable.

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DateRelease
Apr 17Property Categoryunverified
GA
Apr 15Replay Insightsunverified
Update
Apr 14Bookmarkable Session Replaysunverified
GA
Apr 21Amplitude Wizard CLI: Agentic Onboarding for Buildersunverified
GA
Apr 10Web Experiment: Mobile Simulatorunverified
Preview
Apr 9Session Replay Sentiment Filterunverified
GA
Apr 24Global Agent chat sidebar opens by default on large screensunverified
Update
Apr 24Page-Level URL Masking for Session Replayunverified
Update

Also shipped on Apr 16, 2026

in April 2026

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