The Collection LOP's Add Exclusions parameter is now Set Exclusions, and if unchecked, does not set or alter the collection's exclude relationship at all. Also fixed this LOP so that including the collection itself in the primitive pattern now does the expected thing, adding new primitives to the collection, rather than putting the collection in its own include relationship.

The Collection LOP's Add Exclusions parameter is now Set Exclusions, and if unchecked, does not set or alter the collection's exclude relationship at all. Also fixed this LOP so that including the collection itself in the primitive pattern now does the expected thing, adding new primitives to the collection, rather than putting the collection in its own include relationship.

The Collection LOP's Add Exclusions parameter is now Set Exclusions, and if unchecked, does not set or alter the collection's exclude relationship at all. Also fixed this LOP so that including the collection itself in the primitive pattern now does the expected thing, adding new primitives to the collection, rather than putting the collection in its own include relationship.

The Collection LOP's Add Exclusions parameter is now Set Exclusions, and if unchecked, does not set or alter the collection's exclude relationship at all. Also fixed this LOP so that including the collection itself in the primitive pattern now does the expected thing, adding new primitives to the collection, rather than putting the collection in its own include relationship.

The USD Render ROP's Override Output Image parameter now has a menu of common values, and a button to open a file chooser dialog.

The USD Render ROP's Override Output Image parameter now has a menu of common values, and a button to open a file chooser dialog.

The USD Render ROP's Override Output Image parameter now has a menu of common values, and a button to open a file chooser dialog.

The USD Render ROP's Override Output Image parameter now has a menu of common values, and a button to open a file chooser dialog.

The USD Render ROP's Override Output Image parameter now has a menu of common values, and a button to open a file chooser dialog.

Renamed pdg.SchedulerType.category to parm_category. This is used to match properties (Job Parms) of the given category.

Renamed pdg.SchedulerType.category to parm_category. This is used to match properties (Job Parms) of the given category.

Renamed pdg.SchedulerType.category to parm_category. This is used to match properties (Job Parms) of the given category.

Renamed pdg.SchedulerType.category to parm_category. This is used to match properties (Job Parms) of the given category.

Renamed pdg.SchedulerType.category to parm_category. This is used to match properties (Job Parms) of the given category.

The Pyro source tools no longer use $FSTART for their startframe, but set it on creation to the current $FSTART.

Updated the whoosh 3.0.0 code base in the Python 3 build.

Updated the whoosh 3.0.0 code base in the Python 3 build.

Updated the whoosh 3.0.0 code base in the Python 3 build.

Updated the whoosh 3.0.0 code base in the Python 3 build.

Updated the whoosh 3.0.0 code base in the Python 3 build.

The Sparse Pyro Shelf tools have been further tweaked, in particular the ground explosion that now works in DOPs mode.

Added left/right arrow keyboard handling to the Render Gallery pane to rapidly switch between different snapshots.

Fixed a bug that disconnected Material Library LOP output when disconnecting an input of its Collect VOP child.

Fixed a bug in the Copy and Transform SOP that could result in a crash when a group is specified.

Implemented "Import USD Material" and "Specialize USD Material" shelf tools, to re-create material VOP node in Material Library LOP for edits.