Changelog
What's new in LocalMail.dev
Release notes, new features, and improvements.
v1.4.0
Latest
May 2026
Starred email filtering, native OS notifications, SMTP resend with authentication, replay to local inbox, and AI debug context.
Added
- Copy for AI: generate a markdown snapshot of any email for ChatGPT, Claude, or Perplexity
- Resend any captured email to an external SMTP server with authentication support
- Replay any email back through the local SMTP server for re-testing
- Native OS notifications on email arrival (macOS, Windows, and Linux)
- Starred sidebar tab to filter starred emails
- Collections: organise emails into named, colour-coded groups
- Tags and notes: label and annotate any captured email
- Spam score badge reads X-Spam-Score headers automatically
- Links tab extracts and lists every URL from the email HTML
- Diff tab shows HTML and plain text parts side by side
- APT repository for Debian and Ubuntu (install via apt)
- Homebrew formula for macOS
- Scoop and Chocolatey packages for Windows
v1.3.0
March 2026
New branding and improved tray icon.
Added
- New LocalMail yellow app icon and branding
- macOS tray icon now adapts correctly to dark and light mode
Fixed
- App icon now renders correctly on Windows and macOS
v1.2.0
February 2026
Auto-update notifications and an improved settings experience.
Added
- In-app banner notifies you when a new version is available
- App preferences are now persisted across restarts
Changed
- Settings panel redesigned with a clearer layout and additional options
v1.1.0
January 2026
Licence management.
Added
- Licence key activation built into the app
v1.0.0
November 2025
Initial release of LocalMail.dev.
Added
- Built-in SMTP server on localhost:1025
- Inbox with persistent email storage
- Desktop, tablet, and mobile email previews
- Light and dark mode rendering toggle
- Raw MIME source viewer
- Header parser with field descriptions
- SMTP conversation log
- Attachment viewing and download
- Full-text search across all emails
- Custom SMTP port configuration
- macOS Universal build (Intel and Apple Silicon)
- Windows 10 and 11 build
- Linux AppImage, Snap, and AUR builds
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