release-2026-09-21-0933 v0.16.23
TanStack/querySep 21, 2026 → Sep 21, 20260 days between releases
What's New
Updates Stalwart Mail Server to v0.16.23 with critical MTA fixes and a new SQL `bit_and` function.
Breaking Changes
- Binary replacement required for upgrades from v0.16.x
New Features
- Added `bit_and` SQL expression function
Improvements
- Improved DNSSEC resolver stability and stricter DANE TLSA handling
Bug Fixes
- Fixed critical MTA bugs regarding mailing list expansion, DMARC aggregate reports, and DSN generation
- Fixed POP3 line counting and dot-stuffing for messages starting with a period
- Fixed Spam filter training to ensure classifiers learn when messages are moved between accounts
- Fixed Sieve behavior for the `envelope 'orcpt'` command
- Fixed DNSSEC resolver stability
Upgrade Notes
If upgrading from v0.16.x, replace the binary or run `docker pull`. If upgrading from v0.15.x and below, consult the upgrading documentation.
The Two Releases
Release 2026-09-21 09:33
Sep 21, 2026· 1 month ago
A maintenance release updating core packages and adapters (React, Vue, Solid, Svelte) to version 5.103.2 (Svelte to 6.2.2), incorporating fixes for broadcast client behavior and query removal logic.
Full release notesv0.16.23
Sep 21, 2026· 1 month ago
This is a maintenance release for the Stalwart Mail Server containing fixes for the MTA, POP3, Spam filter, Sieve, ACME, DNS, OIDC, Meilisearch, WebUI, FoundationDB, and Redis components, along with an added SQL expression function.
Full release notes