A mod that just removes the line preventing player NBT from being modified
abilities.flySpeed
- alters vertical flight speedabilities.walkSpeed
- alters walking speedabilities.invulnerable
- makes you invulnerablefoodLevel
- hungerFire
- time on fireInventory
EnderItems
- enderchest itemsPos
- positionAbsorptionAmount
- Amount of absorption
Rotation
SelectedItemSlot
- slot selectedXpP
- individual xp pointsXpLevel
- xp levelsXpTotal
- total xp
Motion
- velocityabilities.mayfly
(resets on reconnect) - whether you're able to flyabilities.flying
(resets on reconnect) - whether you're flyingDimension
(resets instantly)playerGameType
(resets instantly) - gamemode
There are more that I haven't checked yet