Why not add master level speedruns to the list? It could also go in category extensions, but super gore nest master level ultra nightmare would be a fun category

https://www.speedrun.com/doom_eternal/Super_Gore_Nest#No_Major_Glitches

^ already a thing

Where is the category now ? Can't find it

It moved to the Category Extensions board for now: https://www.speedrun.com/doot_eternal/levels