Stellarium version 0.12.2dev4 for Windows is now available for testing!
Major changes from 0.12.2dev3: fixing bugs and improvement for plugins, improvements for DeltaT, initial support of variable stars - more 3000 variable stars from GCVS which have HIP numbers (designation for stars from Hipparcos catalog).
Download page: https://launchpad.net/stellarium/+download