Claude 5.5 (live) keeps generating fake user turns, dev reports

BlackHC · x · 2026-09-23

Developer BlackHC reports that Claude 5.5 (live) keeps generating "user turns" on its own — effectively writing the user's next line mid-conversation. He notes he hasn't seen this behavior in a while, suggesting a possible regression in the new version's turn-taking or stopping behavior.

Related event: Claude 5.5 caught generating fake user turns in conversations(2 posts)→

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