Some users are reporting there's a "new version" of Reader, and it looks like in this version there are parts of the UI missing.
http://search.twitter.com/search?q=Google+Reader
Anyone else is experiencing this?

Update: There is a problem marking as read items. Some tweet somewhere suggests to disable Gears.

No problem here, as I'm not using Gears ;)

No problems here, also not using Gears.

Check Mihai's answer : http://www.google.com/support/forum/p/reader/thread?tid=3829e2eba9f7d33b&hl=en

& here is the official blog post:

http://googlereader.blogspot.com/2010/05/little-bit-of-polish.html

Mihai P. is a funny guy, I like his "Polish" joke :)

[orthofix ~ TOMHTML himself]