chunk issues
MC-129Chunks not loading surface, revealing caves, etc.
Fixed
MC-315Chunks do not delete properly remaining in a newly created world if the same world name is reused
Cannot Reproduce
MC-711Tile ticks of connected redstone components might be executed in the wrong order when unloading/reloading chunks
Low
MC-1556Houses disappearing after re-logging
Duplicate
MC-2025Mobs going out of fenced areas/suffocate in blocks when loading chunks
Fixed
MC-2548A chunk with previously generated data was cleared, all the blocks and data within vanish
Awaiting Response
MC-3998Chunks dont display under certain circumstances
Duplicate
MC-4372Server sending completly corrupted Nether and End chunks to the client
Duplicate
MC-4517Minecraft v1.4.5 crashed while trying to destroy snow under myself
Duplicate
MC-5234Huge chunks / a quarter of the map is invisible.
Duplicate
MC-5536Removing Jukebox under an Enchantment table reloads crashes server and re-generates entire chunk.
Duplicate
MC-6191terrain generation is really messed up
Duplicate
MC-6222Stone bricks chunk generating through overworld end portals
Duplicate
MC-7200Cave/tunnel generation may cut tunnels a bit too soon (fix included)
Fixed
MC-7766Breaking a jukebox causes End of Stream and erases the chunk its in.
Duplicate
MC-8194Redstone signal propagates very strangely in unloaded chunks
Duplicate
MC-8281Positive Y speed discarded upon exiting loaded region
Incomplete
MC-8767Permanently damaged chunks, ghost chunks
Duplicate