BuildCraft 2.2.6 and 3.0.2, supporting Minecraft 1.0.0, are finally out! Though lightly tested at this stage – don’t hesitate to report problems on the forums!
Downloads can be done from:
Downloads for previous versions of Minecraft can be found here.
(edit) There’s a couple of outsanding bugs in this release at the moment. Gathering feedback from the various forums. The blocking issues already gathered can be found on the BuildCraft 2.2.7 ticket list. Sorry for the inconveniences.
Special thanks to OutOfBounds, and Flex, who provided help on porting both BuildCraft and the Forge.