stalwart Releases

This release focuses on stability and security improvements across JMAP, IMAP, and MTA components, including fixes for calendar recurrence handling and spam filtering. It introduces a new configuration option for DKIM signing in Sieve scripts.

Sep 6, 2026

This release introduces Cross-domain Identity Management (SCIM) v2 support for enterprise users, enhances calendar functionality with conference links and extensive language translations, and resolves several issues related to DANE, S3, and MTA operations.

Aug 30, 2026

The update adds OAuth client ID configuration for the WebUI and exposes spam filter results to Sieve scripts, while also updating MySQL and MariaDB key column types.

Aug 24, 2026

This release introduces configuration limits for inbound DMARC/TLS reports and RocksDB cache size, updates default GeoIP data sources, and improves JMAP Identity synchronization.

Aug 17, 2026

Adds several IMAP extensions (UIDBATCHES, UIDONLY, MESSAGELIMIT, SAVELIMIT) and WebDAV header support, while replacing the unmaintained jemallocator with tikv-jemallocator.

Aug 10, 2026

A maintenance release for the CCXT crypto library focusing on dual-stack networking, orderbook stability, and performance optimizations.

Aug 4, 2026

Implements JMAP Email Delivery Push Notifications and allows Sieve scripts to access the Original Recipient (orcpt) during the DATA stage.

Aug 2, 2026

A maintenance release focusing on Android session expiry handling, daemon cleanup processes, and security updates regarding LLM pricing defaults.

Jul 31, 2026

A security-focused release addressing a local privilege escalation vulnerability in the client daemon, along with various client and management improvements.

Jul 29, 2026

A maintenance release focusing on documentation reorganization and performance optimizations across multiple languages.

Jul 29, 2026

A maintenance release focusing on security updates for the sharp library to address CVEs, alongside new exchange support for Nado and bug fixes for several integrations including Phemex, Weex, and HtX.

Jul 28, 2026

This maintenance release enhances Agent Network capabilities with prompt caching, cost accounting, and support for Claude Opus 5. It also includes various client stability improvements, such as fixed routing peers and restored Docker image tags.

Jul 28, 2026

A maintenance release fixing JMAP copy logic, Calendar UID generation, and introducing encryption at rest for accounts without opt-in, alongside VAPID key validation.

Jul 27, 2026

This major release features a complete rewrite of the Desktop Client using Wails v3 and a React/TypeScript frontend, alongside new internationalization support for 10 languages and enhanced session handling.

Jul 23, 2026

This release addresses numerous bugs across multiple exchanges including CoinEx, Bitfinex, OKX, and Kraken, along with dependency updates for the website and playground, and added tracking for specific builder fees.

Jul 22, 2026

Adds VAPID support for JMAP Web Push and fixes various issues with IMAP mailbox quota enforcement, JMAP PushSubscription keys, and Calendar scheduling.

Jul 20, 2026

This release updates documentation and adds new functionality for several exchanges. It includes API additions for Paradex, tags support for Polymarket, and various bug fixes for Binance and CoinEx to improve data parsing accuracy.

Jul 19, 2026

This release focuses on security hardening and performance improvements for the NetBird client and relay. It introduces concurrent QUIC handling to prevent handshake head-of-line blocking and addresses potential security vulnerabilities by sanitizing user inputs and SSH configurations.

Jul 17, 2026

This release migrates cloud synchronization to be natively integrated into the worker, retiring the standalone `cloud-sync.mjs` daemon. It introduces a new `CloudSync` flusher with robust error handling and a `/cloud-sync` skill, while maintaining full backward compatibility for existing users.

Jul 13, 2026

Adds FreeBSD support and fixes OAuth resource indicators, PostgreSQL channel binding, and JMAP VacationResponse capabilities.

Jul 12, 2026