Support for 1.21.7 has been implemented. A small bug from the previous version has also been fixed. Additionally, a new option has been added to change the background color of FancyHolograms. You can now use the holograms_background setting in the enhancement section to customize the default background of FancyHolograms.

+1 New option!
+1 Bug fixed!
+Support!

This is a BETA version, please be cautious using these types of versions because it might present some bugs in the worst cases.