Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
Subscribe to remote calendar:
seamonkey -calendar -subscribe <URL>
thunderbird -calendar -subscribe <URL>
Open calendar with a specified date:
seamonkey -calendar -showdate <DATE>
thunderbird -calendar -showdate <DATE>
Fixed convert to event/task error
Rewritten skin in SASS, fixed many bugs with toolbar icons on all platforms
Calendar notifications don't require opening Calendar window anymore;
Taskbar icon in SeaMonkey now shows missed notifications;
Toolbar button in Thunderbird now shows missed notifications;
Changed calendar mode switch shortcuts in SeaMonkey to avoid conflict with SeaMonkey component switching shortcuts;
Fixed toolbar style in Thunderbird;
Fixed offline indicator error in Thunderbird;
Fixed "Convert to" functions in Mail window.
Re-added possibility to convert mail messages to events or tasks;
Added toolbar button for Thunderbird;
-calendar startup option now works with Thunderbird;
Fixed online statusbar indicator error.
Fixed -calendar command line option.
Some changes for AMO.
Fixed some Mac-specific bugs.
Removed biff state on component bar icon, since it never worked properly anyway. I will restore it when it will be stable.