0.12.4

mailcow/mailcow-dockerized0.12.4Jun 20, 2026by LucasXu0

AI Summary

Focuses on UI improvements for comments and Kanban boards, alongside fixes for tab management, database visibility, and PDF embeds.

Key Highlights

Revamped row page comments with improved UI and notification support.
Fixed Kanban board column colors not persisting after generation.
Resolved tab management issues including new tab behavior and sidebar refresh logic.

New Features

Comments support in full row page mode.
UI improvements for row page comments.

Full Release Notes

## Version 0.12.4 – 06/20/2026

### Desktop

#### New Features

- Revamped row page comments with UI improvements and notifications support
- Added comments support in full row page mode

#### Bug Fixes

- Improved the find and replace logic
- Fixed Kanban board column colors not persisting after they were generated
- Fixed several tab management issues: the new tab button behavior, tab data not clearing when switching workspaces, and back/forward navigation incorrectly refreshing the sidebar
- Fixed icon color and display issues in the tab bar
- Fixed database visibility sync, filter refresh, and an error when deleting a row
- Fixed PDF embeds to fall back to links when they can't be previewed

### Mobile

#### Bug Fixes

- Fixed Kanban board column colors not persisting after they were generated
- Fixed database visibility sync, filter refresh, and an error when deleting a row
- Fixed PDF embeds to fall back to links when they can't be previewed

### Security Notice (Windows)

This Windows release is signed with a newly renewed code-signing certificate. Because Windows SmartScreen builds reputation per certificate, you may temporarily see an "unrecognized app" warning. This build is properly signed and safe — if prompted, select **More info → Run anyway**. The warning will clear as the certificate establishes reputation.