This is the update that just came out this week (2010-05-18) Somebody moved my cheese. It appears that laf.jar is Look And Feel, so probably not a big deal for my java development. Eclipse got mad about the missing jar, and furthermore thinks the 1.6.0 VM disappeared, which it didn't. Had to redefine the VM library within eclipse and everything appears kosher, but was hoping somebody with more hit points than me could say so definitively. Am I all good? Was it really the OSX update for 1.5 that went and hunted down a file in my 1.6 VM?
Haven't been able to google anything about this... if somebody could post a link to some info about this, that'd be appreciated too.