This release adds 1 notable feature for engineering teams evaluating rollout.
✓ No known CVEs patched in this version
Topics
+7 more
Affected surfaces
Summary
AI summaryPer‑user encryption key derivation now uses PBKDF2 with 600 k iterations.
Full changelog
v1.21.0 (2026-04-07)
Bug Fixes
-
Add credential state tests for coverage improvement (
e6fa95c) -
Per-user encryption key derivation and PBKDF2 600k iterations (
56e0bcb) -
Remove BETA markers and promote relay as primary setup method (
f7b8a49) -
Resolve biome formatting errors across project (
17291a7)
Features
Detailed Changes: v1.20.0...v1.21.0
Weekly OSS security release digest.
The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.
No spam, unsubscribe anytime.
Share this release
About n24q02m/better-email-mcp
IMAP/SMTP email MCP server with App Passwords (no OAuth2). Auto-discovers Gmail, Outlook, Yahoo, iCloud. 5 composite tools: search, read, send, reply, forward. Multi-account support.
Related context
Beta — feedback welcome: [email protected]