Live coding is making a comeback. I predict it for 2027. LLMs can and have made hot code loaders for any existing language, and make trivial the nasty bugs that used to plague JIT developers (like broken stack frames).

LLM can even make its own language then hot load that one. I've been using it to build a game engine with its own scripting language for the last few weeks and the AI is absolutely astonishing at wielding it. Part of its integration testing is exporting screenshot dumps and comparing them pixel-by-pixel vs what it expected. It's been weeks since the scripting language had any issues hot reloading