[chrishajer]

1.0-Alpha-4

https://bbpress.org/download/#bbfooter

That’s an alpha version, not suitable for a production site, but that’s the version that’s compatible with WordPress 2.7. I’m not recommending you use it, but that’s the version that’s compatible.

Watch this before attempting integration:

https://bbpress.org/forums/topic/basic-integration-screencast