Valve posted an update to the christmas server cache issues to their news listings.
Also posting here so regulars of our forum can see it too, in case they didn't see it elsewhere.

Valve's Update on their Christmas Issues

Link to official post on Facepunch​

It's that time of the year again! It's only 58 days left until Christmas! And we still have 2 major holidays left! Yaaaay!

But, there is no rest for the busy content creators of the TF2 community. Right off the heels of the Workshop of Horrors, comes the...

TF2 Workshop Wonderland

As you may know, with the migration of the site to new forum software, we have to import all of the downloads over from the archive. A few individuals (myself included) have imported over 600 items since the site went live a week ago, but we still have a long way to go! This is where YOU come in! Hopefully this thread clears up any questions you have about the process so you can start helping us out.

1. First, head over to the archive and...

Help import downloads and earn free VIP!

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Greetings! It's the end of the month and in a blast of not-forgetfullness, I remembered to make an announcement for all the new showcase maps! Hurrah! I'm posting this in a new forum, for the time being, because apparently my privileges to post in the Featured News Section of the forums has been intentionally or accidentally revoked! Pfft, that doesn't stop me! Announcing this months inductions into the TF2Maps.net Map Showcase....

November Showcase Maps!