Changelog

2026.4

4 September 2026

Full notes
Pelton 2026.4 release banner
  • PGP and S/MIME support, both off until enabled
  • Profiles, with their own settings, accounts, flags and sidebar layout
  • Command palette on Cmd+K
  • Phishing detection: SPF, DKIM, DMARC, spoofed names, lookalike domains
  • Tracking pixel detection in the blocked-content banner
  • VirusTotal scanning for links and attachments, off until you add a key
  • MCP write actions, seven separate permissions, all starting off
  • Reading tabs, bulk actions, CardDAV, IMAP folder management
  • Message-level sync progress and per-account failure marking
  • Improved search, charset detection, crash logs, 14 bug fixes

2026.3

August 2026

Full notes
Pelton 2026.3 release banner
  • A local MCP server, read-only and off by default
  • Native push notifications on all three platforms
  • VIP senders, so only the people you mark can interrupt you
  • Customizable menu bar
  • Faster mail delivery

2026.3.4

August 2026

Full notes
  • Fixes for MCP permissions, notification grouping and menu bar layout

2026.3.2

August 2026

Full notes
  • Notification and startup fixes

2026.3.1

August 2026

Full notes
  • Fixes for the first 2026.3 release

1.0.9

July 2026

Full notes
  • The last release before the calendar versioning switch