2.4.22
* Initialize sidebar more safely on browser's startup.
* Prevent needless flashing of the vertical scrollbar.
* Open new tabs from Ctrl-T as configured position more correctly.
* Don't attach new same site tab if it is originally opened as a blank tab intentionally.
* Close the fake context menu immediately when any item is clicked.
* Keyboard operations affects correctly for the fake context menu even if the cursor is on any separator.
* Refresh context menu automatically when items are modified while open.
* Remove extra context menu items if an external addon is unregistered.
* Make "Plain" theme more respectful of Firefox's default theme.
* More respect Firefox's default favicons for tabs without site-specific favicon.
* Add ability to collect logs while browser's startup process. You can print logs by running `log.logs.join('\n')` in the remote debugger, if you're running TST in the debug mode.
* Update `de` locale (by sicherist, thanks!)