human racial

is now +1% expertise, does it only includes base expertise, or talent gear bonus as well?

It's +5 Expertise, not a %-based bonus

Not according to the official patch notes:

http://www.worldofwarcraft.com/patchnotes/

same for all melee weap skill racials btw

No I hadnt time to check in-game yet since I posted from work. Too bad, +1% might have been a sweet scaling racial...ah well, sorry for the alarm, my bad