Although the continuation of the annual releases has become highly unlikely, I have named this page "2027 Release", albeit with a question mark. For the time being, it serves only to record the more significant changes for future releases.

1. UCI engine installation

A lot has changed around engine installation. This all happened to make command line arguments possible, which are heavily needed by such engines like Lc0 (Leela Chess Zero). The hard task was to make it work with old installations.