these are all forge mods, from what ive heard forge is way worse than optifine in terms of being "problematic". and optifine is not that bad in old versions like 1.7

versions 1.20.2 and newer have messed up "loading screens" like that, try playing on 1.20.1 if the seed works on it

or request a retime because the portal animation should always take 4 seconds

it isnt

though setting gamma to 5.0 in options.txt is allowed in versions where it works

no

resize the window to be like that and then toggle fullscreen

you can make it start like that in the launcher and change the fullscreen hotkey to make it easier

ao:2

or just remove the "ao" line

youre not allowed to use most resource packs anymore, see the rules at https://docs.google.com/document/d/1A7NtP7LegD7SYjho54gQDSlJkYZlofndjw2COu00yMU/edit

fabric API the mod is banned, fabric loader isnt

yes.

go to .minecraft folder, then config and find setspawn, then replace one of the seeds with your seed and coords

timing starts on world load for rsg

but pauses arent timed at all if your run isnt sub 13 and you can also click out of the game window before loading into the world so it starts paused

google "legacy fabric"

adventuring time is bugged and not possible to get

pigeon

to get to the ender dragon you need ender pearls and blaze rods, then locate the stronghold and fill in the end portal.

hope this helps

yes

it is allowed

using third party things for rebinding buttons to scrolling is not allowed

old versions are banned because they don't have vanilla video settings unlike the newest version for 1.16.1

yes there is