The reading pane shows who a sent message was Bcc'd to

Shipped

October 10, 2026 at 12:15 AM UTC

Author

kamo

Commit

efbb72a

The header was drawn from the list row, which comes from the search index, and the index keeps To and Cc but has no Bcc column. It now reads Bcc (as it already did Reply-To) from the full message once that message is loaded.