RawTherapee is a powerful, cross-platform raw photo processing system, released as Free Software (GPLv3). It is designed for developing raw files from a broad range of digital cameras and targeted at users ranging from enthusiast newcomers who wish to broaden their understanding of how digital imaging works to professional photographers. RawTherapee provides a powerful suite of tools for you to produce amazing photos and showcase your creativity.
What's new in 5.13
The Gamut Compression tool received several enhancements:
The maximum values for the distance limits has been increased.
The distance limits can be set automatically.
The tool now shows the maximum red, green, blue, and achromatic values, as well as the estimated distance ratio between the working and target color spaces.
The Abstract Profile tool in Color Management received several enhancements:
Highlight attenuation can be adjusted rather than simply being on or off.
There is a new custom destination primaries option that allows changing the primaries by hue and saturation.
The xy chromaticity diagram in the primaries adjustment shows the Rec2020 primaries for reference.
The Color Appearance & Lighting tool received several enhancements.
The Selective Editing’s Equalization & Pre-Tone Mapping (formerly Shadows/Highlights, Equalizer & GHS) tool has a new simple tone mapper called Michaelis-Menten.
The Generalized Hyperbolic Stretch (GHS) method in Selective Editing’s Equalization & Pre-Tone Mapping (formerly Shadows/Highlights, Equalizer & GHS) tool received several enhancements:
The Black point and White point can be set automatically.
The Black point/White point section now shows the maximum red, green, and blue values and the dynamic range.
There is now a choice of matrix conversions that affect the color handling.
Several parameters can now be adjusted regardless of what the Stretch Factor (D) is set to.
The Symmetry point shows a recommended value and can be set automatically.
Middle gray, RGB maximum, and 3 sigma standard deviation are displayed.
In Selective Editing’s Color Appearance tool, the Source Data Adjustments section has a new TRC based tone mapper with per-channel TRC adjustment and a color inversion option. The RGB channel slope tone mapper also received the color inversion option.
The Blur/Grain & Denoise tool in Selective Editing received several enhancements:
A new Recovery Based on Luminance Mask in Blur & Noise allows refining the blurred area.
Denoise has new options to reduce denoising of details.
Selective Editing’s Sharpening tool has a new Capture Deconvolution method which brings the benefits of Capture Sharpening to Selective Editing and works on both raw and non-raw images. …
