0.8.1.0
Core
- Fixed ComputeNodeWrapper exception handling. 
UI
- Fixed GafferUI crashes seen at Python shutdown. 
- Added support for hiding some fields of CompoundNumericPlugValueWidgets. 
- Update DispatcherUI; can dispatch box with promoted requirement. 
- Fixed crashes when deleting a node immediately after it errored. 
Scene
- Fixed light visibility bug. 
- Fixed coordinate system visibility bug. 
- Added visible() function to SceneAlgo.h. 
- Added GL FacingRatio shader 
RenderMan
- Added “vector2” widget annotation support for RenderMan shaders. 
Build
- Stopped installing the python module by default 
- Moved installDir to /tmp for local IE builds. 
- Fixed release script to ignore GAFFER_OPTIONS_FILE environment variable. 
- Updated IE publicDependenciesBuild script. 
- Enabled testing of UI modules on Travis CI. 
- Added debug output to installDependencies.py.