Using sprint 38 experimental build 0.38.0-12606 (release 4df8afdad) (and sprint 37 as well) on Mac OSX v10.9.2 Build 13C64, Processor 1.8 GHz intel Core i7, 4 GB 1333 MHz DDR3 memory. Editing JS file. Brackets Helper uses increasing amounts of CPU until my fan starts and then somewhere over 100%, Brackets crashes. The only way to make it quit is to right-click on the dock icon and choose quit from there.    