Amethysts frequently generate not connected to caves

Fish can spawn in underwater caves, even below y=0

Random magma blocks underwater without structures or ravines nearby

Cancel button on import dialog doesn't work

FPS difference between join LAN and Server

Can not connect to port 25567

Barrier blocks are pickable in creative mode

Periodic Lag After Entering Nether Portal

Crash on loading cached launcher

Unable to launch MC - OpenGL error

Customized World requires large ram usage during generation

Grass spreads underwater

Bent redstone not powering adjacent devices

Launcher fails to load after OS X 10.9.1 Update