Sorry , my bad to not give all details:
- I use Firefox

(last version)
- Attachment menu does not work (same as before and the reason to install patched version)
In rest behaves the same (OK) .
Unfortunately I don't have time to look more into it. I most probably did the upgrade correctly.
I however first uploaded the xml file and then upload the files via ftp. Maybe this is the reason? After I have re uploaded the xml file just in case. No luck.
You wont believe but in IE it does work! (I can select attachements in the menu) At least some users get it working.
In FF i have noscript Msoft Net framework 1.0 (dont know why) delicious, skype, fast video download add-ons.