Though the updated GIMP release policy allows cool new features in micro releases, we also take pride on the stability of our software (so that you can edit images feeling that your work is safe).
In this spirit, GIMP 2.10.8 is mostly the result of dozens of bug fixes and optimizations.
Notable improvements
In particular, chunk size of image projections are now determined dynamically depending on processing speed, allowing better responsiveness of GIMP on less powerful machines whereas processing would be faster on more powerful ones.
Moreover various tools have been added to generate performance logs, which will allow us to optimize GIMP even more in the future. As with most recent optimizations of GIMP, these are the results of Ell’s awesomeness. Thanks Ell!
In the meantime, various bugs have been fixed in wavelet-decompose, the new vertical text feature (including text along path), selection tools, and more. On Windows, we also improved RawTherapee detection (for RawTherapee 5.5 and over), working in sync with the developers of this very nice RAW processing software. And many, many more fixes, here and there…
The Save dialog also got a bit of retouching as it now shows more prominently the features preventing backward compatibility (in case you wish to send images to someone using an older version of GIMP). Of course, we want to stress that we absolutely recommend to always use the latest version of GIMP. But life is what it is, so we know that sometimes you have no choice. Now it will be easier to make your XCF backward compatible (which means, of course, that some new features must not be used).
Compatibility issues in Save dialog Save dialog shows compatibility issues when applicable
Thanks to Ell, the Gradient tool now supports multi-color hard-edge gradient fills. This feature is available as a new Step gradient-segment blending mode. This creates a hard-edge transition between the two adjacent color stops at the midpoint.
Step blending in gradient fills Newly added Step blending in gradient fills
On the usability end of things, all transform tools now apply changes when you save or export/overwrite an image without pressing Enter first to confirm changes. Ell also fixed the color of selected text which wasn’t very visible when e.g. renaming a layer.
CIE xyY support
Thanks to Elle Stone, GIMP now features initial support for color readouts in the CIE xyY color space. You can see these values in the Info window of the Color Picker tool and in the Sample Points dock. Most of the related code went into the babl library.
Much like CIE LAB, this color space is a derivative of CIE XYZ. The Y channel separates luminance information from chromaticity information in the x and y channels. You might be (unknowingly) familiar with this color space if you ever looked at a horshoe diagram of an ICC profile.
CIE xyY is useful to explore varios color-related topics like the Abney effect. See this Pixls.us thread for an example of what people do with this kind of information.
Improved GIMP experience on macOS
Our new macOS contributor, Alex Samorukov, has been very hard at work improving the macOS/OSX package, debugging and patching both GIMP, GEGL, and the gtk-osx project.
Some of the macOS specific bugs he fixed are artifacts while zooming, the windows focus bug in plug-ins, and a non-functional support for some non-Wacom tablets. Jehan, Ell, and Øyvind actively participated in fixing these and other macOS issues.
We also thank CircleCI for providing their infrastructure to us free of charge. This helps us automatically building GIMP for macOS.
That said, please keep in mind that we have very few developers for macOS and Windows. If you want GIMP to be well supported on your operating system of choice, we do welcome new contributors!
Also, see the NEWS file for more information on the new GIMP release, and the commit history for even more details.
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