I *am* busy making a new engine since then. Never really stopped. The main thread at freepascal.ru is 50 pages and 8 years long. And yet, I can't even show a rotating cube: my works (behold them and despair, ye mighty) are in deep refactoring since, I think, 2018.
Targets Raspberry Pi and Windows XP with DX9 class gpus.
It even has a thread here https://www.pascalgamedevelopment.co...t-will-be-here , which is an empty stub as I don't currently have anything to show.

There was a small side-quest, modifying Quake 2 Delphi into using Lanczos upsampling https://www.pascalgamedevelopment.co...rer-for-Quake2

..a sad date approaches, 20 years since the tragic death of the guy who introduced me into using OpenGL with Delphi. I shall not forget post a tread for it in 3 days.