Bukkit

RegenBlock now uses some of the WorldEdit API for re-spawning blocks. So you will have to have that installed. Hopefully that will make it smoother on large re-pops.

Mine type now behaves a little bit differently. If the block in the mine region (type 1) matches to one of the spawn blocks it will be randomized, otherwise it will re-spawn normally. Example - spawn blocks are set to stone and coal. If dirt is destroyed it will re-spawn as dirt, if coal or stone is destroyed it may spawn back as either stone or coal. I feel like this will make for creation of mines a bit easier as you will be able to have some random things in the mine that will always come back to the same block type, while those you select as spawn blocks will be randomized.