Releases: LinuxBeaver/GEGL-GIMP-PLUGIN_Layer_mask_hack
LayerMaskGimpPlugin
This is the download page for a Gimp Plugin called "Modify Selection" that is suppose to be applied on a layer mask to modify selections similar with options like "feather, grow/shrink, and distort".
dll is for Windows and .so is for Linux
Location to put Binary
Windows
C:\Users\USERNAME\AppData\Local\gegl-0.4\plug-ins
Linux
/home/(USERNAME)/.local/share/gegl-0.4/plug-ins
Linux (Flatpak)
/home/(USERNAME)/.var/app/org.gimp.GIMP/data/gegl-0.4/plug-ins
Source Code
For some reason the auto Github generated source code of this filter is outdated. So please use the updated source code I provided here named source_code_of_modify_selection.zip
Then Restart Gimp and go to GEGL Operation to find the plugin. If you use Gimp 2.99.16+ it will be in the main menu "selection" area.