Closing a dirty symbol or footprint editor tab throws away the draft without asking, and the file stays in the dirty list so Save All on quit fails every time after that.
From the Grok pain-radar digests, Oct 26-27 2026 (Oct 26 12:41 PM ET through Oct 27 7:41 AM ET digests plus the Haitch editions). Verified live 2026-10-27: issue/PR/thread read; title and state confirmed.