Earlier quoted context omitted.
Or… use one of the existing cross platform toolkits that have existed for decades. Text Editors, traditionally, did not require shaders to run or be performant, and not require entire systems worth of RAM.
Out of curiosity, how many of them run at 120 FPS? (honest question - I've never looked into it myself)
I can't think or type that fast and I can't read scroll back that fast either so I can't wrap my head around needing something like that.