Unclear What puts the picker into this waiting state is not stated.
What
The message picker lets you choose an earlier message, for example to rewind the conversation to that point or summarize it. In some state it now shows a row where pressing Esc means "stop waiting", instead of its normal list of choices. Before, the list always showed.
Why
This changes what you see when rewinding or summarizing at that moment.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubt
What puts the picker into this waiting state is not stated.