New features:
- Added cabin fog parameters
- Added windscreen icing effect (only apparent during extreme structural ice)
Fixes and enhancements:
- Corrected airport frequencies page of gns430's
- Improved rain animation and optimized
- Corrected ec100 click spots disappearing behind lighting polygons
- Corrected radio popup click spots
- Minor modeling optimization
The patch is cumulative so it includes previous 1,1 and 1.2 Patches
More here