UUID issues
MC-52679UUID are sensitive to case while <=v1.7.5 forced lowercase in ops/whitelist lists
Works As Intended
WEB-10Mojang's API for retrieving players from UUIDs isn't working consistantly.
Invalid
WEB-5Mojang's API for retrieving players from UUIDs isn't working consistantly.
Fixed
MC-72937Entity names in chat won't show tooltip
Invalid
MC-98244Same UUID infinite times possible + changing UUID possible via entitydata
Fixed
MC-98556Warning message for entity with same UUID shows null for players
Fixed
MC-108149NBT tags storing block positions or entity UUIDs are not written and read correctly in structures
Low
MC-113963Score text components do not work with entity UUIDs and do not print same selector errors like other commands
Duplicate
MC-113964spreadplayers command does not work with entity UUIDs
Fixed
MC-120669Spawn eggs can spawn entities with already used UUID
Fixed
MC-121868UUID references to other entities are not stored as UUIDMost and UUIDLeast for tamable entities
Invalid
MC-129608Scoreboard doesn't handle entity UUIDs correctly
Fixed
MC-151270Teleporting an entity from another dimension can cause UUID duplication in entity sections
Fixed
MC-153319Result of UUID selector is nondeterministic
Fixed
MC-184268A world can have an entity with the same UUID in each dimension
Low