I'm the author of the article, and I'll be at Revision. I'll give a seminar on shader minification -- another topic not discussed in the article.
For seminars, I'd suggest to take a look at seminars from previous years. They are on YouTube (https://www.youtube.com/@revisionparty/playlists) and you should be able to find something that matches your interest.
One of the most impressive to me is kkrieger
The intro was released in 2017, so the title might need a tag. Not sure about the article, couldn't easily find a date.
Does anyone know what the assumed rendering technology is? It's a Windows executable, so I guess it can use any Windows APIs for rendering and audio? Direct3D?
We use OpenGL for rendering and the code is written in C++. We published the source code of other intros of GitHub. For example, this one should give you a good idea of how we do it (although we modernized our engine since that): https://github.com/laurentlb/Ctrl-Alt-Test/tree/master/F
For the audio, we used the synth 64klang - https://github.com/hzdgopher/64klang
https://github.com/laurentlb/Ctrl-Alt-Test
Looking at F it appears to use OpenGL
At the bottom of the article, it mentions that it was released a few days ago.
eg. https://www.pouet.net/prod.php?which=69654 https://www.pouet.net/prod.php?which=55737
64K Commodore 64?
You need a somewhat recent machine to run it, but my 7 year old laptop is doing fine.
Estimated required spec for the graphics: NVidia GTX 680 (recommended: GTX 970 or equivalent) with 1GB VRAM.