So far two developers on our team (including myself) have taken the plunge and upgraded to Mavericks on our development machines. The upgrade has been largely smooth, with no issues around the typical problem areas, like building iOS against a new version of XCode.
One major issue, though, is that for both of us, Rhosimulator has suddenly become an incredibly laggy application. At times it runs so slow that it's borderline useless, and 100% of the time the console log is significant delayed behind the action. Even expanding the console after initially launching the simulator is very delayed and the animation is very jittery and choppy.
Any help on this issue would be appreciated.
This issue needs help from Motorola. We will raise this issue with them to get an answer.