Version 4.2 has been released.

New features

since 4.1

• RawTherapee-4.2 includes many speed, precision, stability and memory usage optimizations. As such, users of 32-bit operating systems may now find that they can enjoy more stability while using the most memory intensive tools. Of course users of 64-bit systems benefit from this as well. Refer to the full changelog for more information.
• Powerful color toning tool.
• Curve control of luminance noise reduction.
• Median filter in the noise reduction tool.
• Film simulation tool using Hald CLUT pattern files.
• Command-line option to define bit depth of output TIFF/PNG file.
• Multiple improvements to dead/hot pixel handling, see RawPedia.
• Filename of currently opened image shown in the titlebar.
• Clip control for the flat-field correction tool.
• Demosaic method "Mono" for monochrome cameras, and "None" for no demosaicing.
• Copy/paste processing profile keyboard shortcuts for right-handed users using Ctrl/Shift-Insert.
• Update to dcraw 9.22 1.467
• New or improved support for:
• Canon EOS 7D
• Canon EOS 7D Mark II
• Canon PowerShot G7 X
• Canon PowerShot SX60 HS
• Fujifilm cameras using the X-Trans sensor
• Fujifilm X30
• Hasselblad H4D-31
• Hasselblad H4D-50
• Hasselblad H4D-60
• Hasselblad H5D-40
• Hasselblad H5D-50c
• Mamiya Leaf Credo 40
• Mamiya Leaf Credo 50
• Mamiya Leaf Credo 60
• Mamiya Leaf Credo 80
• Monochrome cameras such as Leica Monochrome
• Nikon D610
• Nikon D700
• Nikon D750
• Nikon D800E
• Nikon D810
• Panasonic Lumix DMC-FZ1000
• Panasonic Lumix DMC-GM5
• Panasonic Lumix DMC-LX100
• Phase One IQ250
• Phase One P40
• Phase One P65+
• Sony Alpha ILCE-5100
• Sony NEX-C3

Refer to the RawPedia for information about these tools and how to use them.
RawTherapee-4.2 includes many speed and memory usage optimizations (refer to the full changelog for detailed information). As such, users of 32-bit operating systems may now find that they can enjoy more stability while using the most memory intensive tools.