2.99.19 - Selecting the "Export Gimp Brush File/Export Animated Gimp Brush file sometimes triggers - GIMP WARNING Unhandled procedure type.
This bug is related to creating brushes in Gimp 2.99.19 using the two options it has (default and animated).
How to reproduce bug
- Open and close "export Gimp brush file" and "export animated Gimp brush"
- It eventually won't open and you will see this warning GIMP WARNING Unhandled procedure type.