Matte Refine
Any layer matte can now detect soft edges, blurs or hairs with the Refine option. Used in conjunction with Matte Assist ML, you can get quick soft-edged roto mattes for more detailed compositing work. The refined mattes also work with other render modules in Mocha.
Two Refine Models: Refine for sharper or softer edges depending on your needs
Render from Plugin: Render Matte Refine directly to your host with the a new toggle.

Composite Layer Mattes in Group
For the first time you can now convert a group of layers into a single combined matte.
Composite Layers in Group: A new option in the Matte module lets you turn a group of mattes into a single matte.
Refine Group: Use the new Matte Refine on a group for faster results that applying refine to every single layer
Render from Plugin: Render groups directly to your host with Apply Matte or View Matte.

Refine Solve
You can now refine camera solves further to clean up problem areas.
Clean up solved 3D shots even after you’ve edited the scene
Reduce errors and bad frames
Delete erratic or unneeded 3D features
Export solved scenes to SynthEyes for even more advanced tools and options

Graphs and Curve Editor
Dope Sheet is now Graphs: We have renamed the dope sheet and curve editor page Graphs
Completely rewritten: The curve editor has been redone from the ground up with high performance drawing for curves
Filter data to selected: You can now filter down keyframes to what is selected in the layer list
Preview AdjustTrack Changes: Viewing track data for a layer will now also show the offsets created by AdjustTrack
Preview linked tracking data: Viewing track data for a layer will show whether it is linked to another layer’s tracking data
Floating panel: You can now dock or float the Graphs panel, making it easier to make adjustments while also viewing the keyframes

New Effects
FilmBurn
FilmBurnTransition
MochaWhip

New Features
Builder: Add Parameter Links to show the layout of driven parameters in the nodegraph
Mocha Improvements
New LensFlares
New Presets
Updated HIP for improved AMD support