5.66.4.20260709132428

July 09, 2026

Jan Perdoch

[Performance] Ticket history query full-scans (#24677)
[Performance] resolveLastMailSentAt runs one outbox query per outgoing account on every hydration path (#25219)
[Fix] Missing explicit ALGORITHM=INPLACE, LOCK=NONE clause in update ste 5.66.3 (#25256)
[Fix] update_kb_article MCP tool breaks embedded image attachments (404) on body update (#25073)