This is where users can download binaries or code for this Gimp sharpen plugin.
dll is for Windows and .so is for Linux
Grab the correct binary for your OS.
Location to put Binaries
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For some reason the auto Github generated source code of this filter is outdated.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_sharpen_deluxe
Then Restart Gimp and Go to GEGL Operations to find the Plugin. If you use Gimp 2.99.16 and up you will find this plugin in the menu under Filters>Enhance.