I just tested this with macOS in Cards View and Table View on 115.6.0 and today's daily 123 was not able to duplicate this. I sent and received a new message and the sort and threading remained consistent (Unthreaded, Sorted by Date, Descending). I will try this on Windows 11.
Bug 1858917 Comment 5 Edit History
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I just tested this with macOS in Cards View and Table View on 115.6.0 and today's daily 123 and was not able to duplicate this. I sent and received a new message and the sort and threading remained consistent (Unthreaded, Sorted by Date, Descending). I will try this on Windows 11.