Updated to SeaMonkey 2.33.1 (release), but should be compatible upto 2.36 (nightly).
Contains all fixes from FF and TB updates (2.0.27)
Extended styling for Chatzilla
Improved handling of toolbarbutton icon/text modes
Added support for reminderfox
And a great many other small fixes and improvements.

Updated to SM 2.36
Fixed aboutPrivateBrowse panel
Fixed toolbarbutton alignment (label after icon/small/large)
Fixed ABP toolbarbutton
Improved calendar printing
New addressbook icons
Display Contact Photo extension: Improved layout for contact photo's in message header and chat pages.
newmailalert: improved layout and nicer icon.
messagebody: correctly set spacing.
multimessageview: use messagedisplay font for the messages.
messageview: improved layout of header
Consistant image for buddy picture across messaging and chat.
Improved layout for invitations in message display and print.
Improved layout for task display.
Extensions: Removed old stuff from extensions.css
Extensions: color icon on mouse hover of addons
Improved spring icon
Overrule Linux images-in-button setting to always show button icons
Fixed tooltip margin
And lots of minor improvements (from the FF/TB builds)

Version bump to 25.0
Move the audio volume bar in audio/video within the controlbar itself.
Use consistently same fonts for monospace and add Menlo for Mac.
Fixed about:privatebrowsing, about:neterror and about:certerror
Bug 842439 - Improve style and rearrange content of the about:privatebrowsing page.
Fixed feeds icon in urlbar.
Fixed search link in awesomebar dropdown list.
Bug 920677 - Click-to-play plugins fail to show placeholder after resizing
Fixed fullscreen for html video
Fixed close button in sidebar
Walnut/walnut2: fixed tabbox borders in messenger
Fixed profile selector dialog
Fixed about:privatebrowsing, about:neterror and about:certerror
Nautipolis: more consistent focus bar throughout (outline->box-shadow)
Bug 362933 - Event dialog: Customize Toolbar dialog should offer more buttons for functionality
Messengercompose: Move "to:" field close button to the end. Improved person icon
Messengercompose: improve layout of addressingwidget.

Some more fixes to get up to date with 2.24.
Toolbarbuttons should now behave better with vertical/horizontal alignment.

Updated to SeaMonkey 2.24.
Included are a lot of minor refinements and improvements from the Firefox/Thunderbird editions, such as improved Addons Manager layout, mail/browser tabs.

Updated to SeaMonkey 2.4.1 (and upto 2.7a1 nightly) with all the changes copied from Firefox and Thunderbird, and some updates to the Seamonkey own additons (download manager, data manager, chatzilla)).

Most visible change is the support for Windows Areo Glass style for most of the Seamonkey windows.

Fixed feed view, fixed missing RSS button in URL bar.
Fixed url autocomplete panel.
Added icons for Fullscreen and Maximize.
More spacing in menu's before/after accellator/short-cut key.
Bug 534163: Reset cursor on popups.

Fixed alignment of toolbarbuttons for 'Show text behind icon'.
Fixed Location toolbar in Mail&Newsgroup window.
Fixed toolbargrippies in Mail&Newsgroup window.
Fixed tabbar in Mail&Newsgroup window.
Fixed minimonth in today pane.
Fixed 'Completed' dropdown button in taskpane.
Fixed missing 'Junk' button icon