nbt-tags issues
MC-76884Written Books that use Json scores do not update if the book was created after points have been added to a players score.
Cannot Reproduce
MC-80975Tags in Pose of armor_stand are removed when containing default values
Low
MC-117574Using /setblock or /fill to re-place a block entity keeps old NBT (if no NBT specified) but clears inventories, even when the command fails
Fixed
MC-124163Name NBT Tag formatting doesn't display an error for invalid JSON
Won't Fix
MC-127947"Color" and "CollarColor" entity and banner NBT tags still use numeral values instead of nominal ones
Confirmed
MC-128466Wither skulls with direction and power modified don't move smoothly
Won't Fix
MC-138465Ender pearl forgets owner after reload(of game or chunks)
Fixed
MC-152280Ender pearls not remembering item tags while using only one of them
Duplicate
MC-170501Lost NBT data when converting to and from Villager and Zombie Villager
Duplicate
MC-177173Baby Zoglin age status value is not stored in the NBT tag.
Fixed
MC-212446Wandering traders have unused Age and ForcedAge tags
Confirmed
MC-251930When a shulker splits, the new mob doesn't retain certain NBT tags
Low
MC-260286If you place a special painting, it will cause its properties to change
Invalid
MC-269367Inner Hitboxes of Ender Dragons without AI don't work properly
Duplicate