Tech restriction categories are very unlikely to be added at any point for the reasons Malakbel mentioned (arbitrary and hard to enforce rules, and very easy for runners to accidentally break) + that's not even considering some of the less well defined bits of tech (what exactly counts as doing an "ultra" for example)?

yes there are - you can find assist mode here, with subcategories for other assist mode runs https://www.speedrun.com/celeste_category_extensions?h=Assist_Mode-Any&x=jdzve5xk-rn117zdn.xqkzv6dq