Version 0.6.0.6 of Toolbar Buttons is now out. The changes are:

• Bug fixed in the undo and redo buttons in Thunderbird.
• Close all tabs does not close the window in Firefox 3.5
• Minimum and maximum application versions raised and some old compatibility code dropped.
• Bookmark menu buttons improved, drag and drop now works.
• Page zoom buttons now works in the Thunderbird 3 betas
• Empty Trash button now works in Thunderbird 3 betas
• Next/Previous tab buttons in Firefox now loop around
• Add-ons window can now be opened in a tab when middle clicked.
• Some locales updated, thanks to the BabelZilla team.