Replay Vision watches the session recordings you never will

Replay Vision is an AI feature for analyzing session recordings to identify user frustration and UI problems that may not generate errors or support tickets, then investigate findings and draft pull requests for review. Tested on PostHog’s own product, it identified a misleading installation-page call to action and an inefficient refresh process causing rate-limit errors, as well as a search issue where cached empty results incorrectly told users an event did not exist; both fixes were merged. The system uses configurable scanners that can monitor for specific behaviors, score sessions by frustration, classify user intent, or summarize journeys, with each finding linked to the relevant recording moment. Users can create and query scanners through PostHog AI from Slack, PostHog Desktop, or an editor via MCP, including for abandoned checkouts, churned users, experiment behavior, and recurring product dead ends.

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