Version
4.6.0 of the darktable photo editor has been released. Changes include
a new “rgb primaries” module that “can be used for delicate color
corrections as well as creative color grading“, enhancements to the
sigmoid module, some performance improvements, and more. (LWN looked at darktable in 2022).

Source: LWN.net – Darktable 4.6.0 released