Visible flying blocks (above 240) outside of view distance if flying above 256

Async FileSavingProcess will cause chunk overwrites/data loss ( Fix included )

GameProfile SKIN data is order dependent despite being json key-value data

Several Non-Ticking blocks are marked as ticking forcing the growth-algorithm to check chunks needlessly

Getting the lightlevel of a block at a chunkborder causes the neighbor chunk to be loaded

Initializing a new Player will always load a chunk in the spawn area

Entities from old (<= 1.5.2) worlds are killed when loaded in current versions due to a typo in the health data fixer

Lightcalculation of ChunkSelection faulty implemented resulting in client bugs (empty chunks don’t show light/render dark)

Memoryleak caused by Maps; even post reconnect

Clients ignore Packets if there is not at least a tick between them ( 'Invisibile Entities' )

Map Updates are ignored post world-change