The ones I've noticed so far are:
1) Some kind of cache error with the main website (?)
Pages displaying old info/versions of news and such.
A guy checking the server status when the shards were down last night didn't understand why they were showing as online, ofcourse it wasn't current...
Seems like adding trailing slashes to addresses often fixes the problem but why should we need to do that and if we really have to then why don't the links have one in?
2) Download Trouble
People still having problems downloading larger files from the site, game client, klients etc...
3) Forum url
This new subdomain (forum.ryzom.com) while nice and shiny is a pain in the neck for anybody trying to use old links. I mean, was it even at all necessary?
Many posts linking to other threads/posts on this forum which will now be wrong too.
4) Klients slow down
Klients was horrid last night when the shards we're down, as people said it never used to get that slow in there with 3 times as many people in it. Not sure if that was a one off or what but it wasn't pretty.
Some people having trouble connection I heard?
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Also things like links being out of date since the switch over to plone are still hanging around, though thats not new.
Anyway, hopefully a little time can be spent on these (I think) important problems. This is the gateway to Atys for potential new players lets not forget.

-Jay
(and oh, how funny... I press submit and I get "There seems to have been a problem with the database.", oh the irony XD)