The fourth preliminary version of GIMP 3.0 was released and these are its changes

Recently the release of the new version of the graphics editor GIMP 2.99.8 was announced which is available for testing and continues the development of the functionality of the future stable branch of GIMP 3.0, in which the transition to GTK3 was made.

Among the changes that stand out we can find that added standard support for Wayland and HiDPI, The code base was significantly cleaned up, a new API was proposed for plugin development, render caching was implemented, support for selecting multiple layers (multi-layer selection) was added, and editing in the original color space was provided.

The tools of Selective copy Clone, Repair and Outlook now have the ability to work when multiple layers are selected. If, when selecting multiple source layers, the result of the operation is applied to a separate image, then the data for the operation is formed on the basis of merging the layers, and if the result is applied to the same set of layers , then the operation is applied in layers.

Fixed correct display of selection border in composite window managers based In the Wayland protocol and in modern versions of macOS, which previously did not show outlines on the canvas. The change is also planned to be carried over to the stable branch of GIMP 2.10, where the issue manifested itself only on macOS, as in Wayland-based environments the GTK2-based version was run using XWayland.

In compilations in Flatpak format, instead of privileges in x11, they are now requested for fallback-x11, which made it possible to get rid of unnecessary access to x11 functionality when working in Wayland-based environments. Also, large memory leaks when running in Wayland-based environments disappeared (apparently the issue was fixed in one of the Wayland-specific dependencies).

It is also highlighted that Windows Ink has been added (Windows Pointer Input Stack) to GIMP and GTK3 on Windows to work with tablets and touch devices that lack Wintab drivers. Added an option to Windows settings to switch between Windows and Wintab ink stacks.

Of the other changes that stand out:

  • Provided the ability to return focus to the canvas by clicking anywhere on the toolbar, similar to pressing the Esc key.
  • Removed the icon taskbar display with an open image thumbnail superimposed on the GIMP logo.
  • This overlap made it difficult for some users to identify GIMP windows when there were a large number of applications running on the system.
  • Added support for loading and exporting JPEG-XL (.jxl) images with grayscale and RGP color profiles, and support for lossless encoding.
  • Improved support for Adobe Photoshop project files (PSD / PSB), for which the 4GB size limit has been removed. The allowed number of channels has been increased to 99 channels. Added the ability to upload PSB files, which are actually PSD files with support for resolutions up to 300K pixels wide and long.
  • Support for 16-bit SGI images was added.
  • The plugin for WebP image support has been moved to the GimpSaveProcedureDialog API.
  • Script-Fu provides handling of the GFile and GimpObjectArray types.
  • Expanded API capabilities for plugin development.
  • Fixed memory leaks.
  • The infrastructure has been expanded to test the changes to the continuous integration system.

If you are interested in knowing more about it, you can consult the details In the following link.

How to install GIMP on Linux?

For those who are interested in being able to install this new version of GIMP on their systems, They should only have the support to be able to install applications from Flatpak.

Just run the following command to install the application on your systems:

flatpak install flathub org.gimp.GIMP

Yes already have GIMP installed by this method, they can update it by running the following command:

flatpak update

When you run it, you will be shown a list of the applications installed by Flatpak that have an update. To proceed, just type "Y".


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