Is WIKI service currently available on Codeblocks website? I've gotten the service has been unavailable messages during the past few days!
No, it is still unavailable.
see: https://forums.next.codeblocks.org/index.php/topic,26082.0.html (https://forums.next.codeblocks.org/index.php/topic,26082.0.html)
looks like a bot as it is working and has been for a while now.