OOC: FYI, chat logs being nuked in 5.0.4
From WoW Insider.
Basically, if you've been logging anything in WoW from chats to combat logs and want to keep them, save a copy somewhere else that isn't your WoW installation path because the patch is going to be blowing those files away.
Basically, if you've been logging anything in WoW from chats to combat logs and want to keep them, save a copy somewhere else that isn't your WoW installation path because the patch is going to be blowing those files away.