I have posted a new release (20-May-2019).
The changes (taken from the update log) are:
Fixed several problems with Linear and Oval Gradient Mask Tools and Undo/Redo and graying of Apply button.
Bug fix release 20-May-2019
Moderator: jsachs
Bug fix release 20-May-2019
Jonathan Sachs
Digital Light & Color
Digital Light & Color