While previous developments releases old Development Releases (/dev) were produced by a Release Engineering release engineering from a different software consolidations, these have been superseded by a unified build system system oi-userland, is now used to build OpenIndiana Hipster (/hipster), as explained on Building with oi-userland and the GitHub page oi-userland .
The instructions for Building the Operating System contain have links to our the active source repositories as well as legacy old (/dev) consolidation repositories.
Latest news and history of updates
How to join the development of OI Hipster
Packaging with the unified build system