In the 3D View weight paint tools now also available in Edit mode and weights are drawn also in wireframe mode . BI rendered viewport now gives much smoother viewport navigation. Improvements in how temporary data storage is managed to help keeping a clean temporary folder. Render result caching added as a simple way to save an EXR cache. Added ‘Reload render’ feature to the Image Editor to reload last render from cache when opening a .blend file. In compositor, defining the viewer node border preserves frame content, allowing to easily have a visual comparison of tweaked and non-tweaked areas. Color Ramps have new HSV and HSL interpolation options.