iChat に様々な機能を拡張する「Chax 1.4.2」が、リリースされていました．
今回（1.4.1から)の変更点は、次の内容です．
Changes from 1.4.1:
(Feature improvement) Activity window now has a toolbar with options to clear the log and search through activity
(Feature improvement) Activity window now saves status messages and logs incoming and outgoing file transfers
(Bugfix) Clicking the close button on the tab window will now properly close all tabs
(Bugfix) The contact list will stay at the top of the screen when auto-resizing is enabled and the contact list spans the entire height of the screen
(Bugfix) Fixed problems with tabs not coming to the front properly when auto-accept text invitations option was disabled
(Bugfix) Fixed problems with group chats not appearing properly
(Bugfix) Inviting more people to a group chat now displays the invitation sheet properly
(Bugfix) Selecting “Invite to Chat…” from the Buddies menu works properly again
(Bugfix) Fixed a problem where the text window would try to resize infinitely when using tabs
