User blog comment:Gorbag12/When is the next update?/@comment-25330335-20150325153857

The relese date of beta 23 is of yet unknown. It will be about 2 weeks at least, as it will be set 2 weeks before the date. I am not aware of system requirements, however, you need the most recent version of Forge, and Minecraft 1.7.10, as far as we know.