For me; I only play up to about 13th level, so options that come on-line after that level don't affect me.
ALLOWED
PHB
Xanathar's
LIMITED (Ask first)
Eberron
Sword Coast Adventure's Guide
Monsters of the Multiverse Character options
Fizban/Bigby Character options
Van Richten's Character options
Tasha's Artificer
Personal Homebrew
3PP material
Spelljammer
Planescape
Tasha's Gunner Feat
SOFT BAN (Not fond of it, ask me first)
Any ability that grants Telepathy
Twilight Cleric
Peace Cleric
Way of Mercy Monk
Way of the Astral Self Monk
Order of Scribes Wizard
BANNED
Tasha's "Origins"
Spells from Tasha's
Tasha's Beastmaster Companions
Acquisitions Incorporated
Strixhaven
Tal'Dorei/Wildemount
Ravnica
Multiclassing
Radiant Citadel
Great Weapon Fighting Feat
Sharpshooter Feat

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.