When trying to connect I instantly get disconnected with the error "Packet 0/72 (ia) was larger than I expected, found 19 bytes while reading packet 72"
This happens both to old and new worlds when trying to connect, singleplayer doesn't seem to be affected.
Environment
Java 1.8.0_25 64bit
Windows 10 Pro Build 10565 64-bit
Beefy computer (same as server)
Dupe of MC-91043