Upgrade to vB3 RC4 is now complete.
Everything seems to be working ok.
Please clear your cache, cookies & history before reporting any problems.
Thanks.
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I'll be upgrading the forums from 3.0.0 Gamma to 3.0.0 RC4 tonight. [yes, we're 4 releases behind...]
So, in 30 minutes (12 Midnight EST) the forums will be off for anywhere between 20 minutes and 2 hours.