BetaWarpaint
Xcode plugin making it easier to notice when you're dealing with beta release
Install / Use
/learn @zats/BetaWarpaintREADME
BetaWarpaint
Because icon is not enough to tell the difference between Xcode-beta and Xcode

Installation
Alcatraz or clone and build
Behind the scene
Xcode is considered to be beta if there is no <Xcode.app>/Contents/_MASReceipt/receipt file was found.
