What
A turn is one round of you sending a message and Claude responding. When Claude Code looks for the last user or assistant message in a turn, it now skips messages whose id matches a new check.
Why
Some messages are no longer counted as the latest message of the turn.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubt
The finding does not say which messages the new check matches.