WordPress 3.1 is getting closer to being unleashed on the world. It seems there were some issues with the AJAXification of tables in the admin interface, and that feature has now been ripped out with extreme force, jumped up and down on and told not to come back until it’s sorted itself out and promises to behave better in future. Well, something like that – you’d have to ask a developer to get the details.
Or you can read the proper announcement:
I’ve just upgraded and nothing seems to be broken so far.
 I may have made up that word