Kate & Fonts
Quoting: Kate & Fonts - Kate —
With the Qt 6.7 release, Qt introduced a wide range of improvement for the text rendering and font shaping.
One element of this is that you can now configure OpenType font features.
Many of the 'new cool' programming fonts have such features integrated. That includes both free fonts like Cascadia Code or paid fonts like MonoLisa.
Let's use the features of Cascadia Code as an example, that is the stuff they promote on their GitHub page...