Darktable 4.0.0 released

Version4.0.0 of the darktable raw photo editor has been released."The UI has been completely revamped again to improve look andconsistency. Padding, margins, color, contrast, alignment, and icons havebeen reworked throughout". Other changes include new exposure andcolor-calibration modules, a reworked "filmic" color-mapping module, guidedlaplacian highlight reconstruction, and more. (LWN looked at darktable in January).