New Update Paint.Net - Updates Thread

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Homepage: Paint.NET - Free Software for Digital Photo Editing


Paint.NET is image and photo editing software for PCs that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. An active and growing online community provides friendly help, tutorials, and plugins.

Users of the free image editor Paint.Net may have received up to three updates in the past two days for the program on supported Windows installations.

The developer of Paint.Net released version 4.3.5 of the program on January 3rd. Paint.net 4.3.6 was released on the same day to address a crash in the application, and Paint.Net 4.3.7 followed a day later, which addressed a bug in .NET 6.0.1.

Windows users who have the desktop version of Paint.Net installed will receive the latest version, Paint.Net 4.3.7, when they run the check for updates now.

Here is what happened in the past two days. Paint.net 4.3.5 was released on January 3rd as a regular update for the image editor. It included the rendering performance improvements for most tools, which, according to the developer, improve the rendering speed by up to 100% when compared to previous versions of the application.

The remaining changes of the release were bug fixes that addressed a total of eight issues, including a save configuration dialog issue affecting Windows 7 systems and several plugin compatibility issues.

A hotfix was released on the same day to address a "crash in the box filter rendering kernel, which is used to generate mip-maps for the canvas when zoomed out". The crash had very specific parameters, as indicated in the changelog:
 

silversurfer

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Paint.net 4.3.8 is likely the last version for Windows 7 and Windows 8.1​

The developer of the popular Paint.net image editor has released Paint.net 4.3.8 to the public on February 16, 2022. The new version marks the end of the 4.3.x branch of the application and support for Microsoft's operating systems Windows 7 and Windows 8.1.

The next major version of the image editor, Paint.net 4.4, will support 64-bit or ARM devices running Windows 10 and later only. While there is a chance that a bug fix release will become available before Paint.net 4.4 is released, users of the application who use it on Windows 8.1 or older devices won't be able to upgrade to Paint.net 4.4 once it is released by the developer.

Paint.net 4.3.8 installs fine on all supported devices. Users can download the latest version from the project website or the Microsoft Store. Paint.net users may also select the question mark icon in the Paint.net interface and then about to display the current version of the application and run a check for updates.
 

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Paint.NET 5.1 - released on November 12th, 2024
This is a major update to Paint.NET that includes a raft of technology upgrades including full color management, support for HDR and Wide Color Gamut displays, major improvements to input latency and memory usage, and new and revamped blur effects. In addition, the migration of effects and adjustments to the GPU has been completed, further improving their performance and quality. There are also some new canvas customization settings.
  • New:Color Management support
    • Images with embedded color profiles will now be displayed correctly using real-time color conversion built on PhotoSauce and Direct2D.
    • On HDR and WCG (Wide Color Gamut) displays, Paint.NET will make use of Windows Advanced Color which then enables high bit-depth output and use of the display's full color gamut. Windows ensures color consistency and accuracy for the whole desktop.
    • On SDR displays, Paint.NET will operate in sRGB mode and provide consistent color reproduction. If the display is configured for sRGB then colors will also be accurate.
  • New: Image->Color Profile replaces Image->Apply Embedded Color Profile, and provides the ability to change the image's color profile via Assign and Convert actions.
  • New: Fully modernized canvas presentation engine that utilizes DXGI Flip Model, Advanced Color, and Windows.UI.Composition.
  • Improved: Input latency has been significantly reduced by using DXGI Flip Model and Async Present.
  • New: Canvas section in Settings provides the ability to customize the canvas brightness, border color, and shadow
  • Improved the canvas rendering quality by using linear gamma. This improves overall performance and also improves the appearance of selection handles and other canvas UI elements.
  • Updated:All remaining effects and adjustments have been ported to use the GPU
    • Newly converted in 5.1 are: Auto-Level, Curves, Levels, Oil Painting, Surface Blur, Reduce Noise, and Outline.
    • The two exceptions to this are Effects->Color->Quantize and Effects->Photo->Red Eye Removal. The first is not amenable to running on the GPU, and the second is actually a wrapper around an old GDI+ effect.
  • New: Effects->Blur->Sketch Blur is a new blur effect that gives the appearance of a painting drawn with a coarse brush.
  • New: Effects->Blur->Median Blur replaces Effects->Noise->Median, and now runs on the GPU with much higher quality.
  • New: Effects->Blur->Square Blur
  • Changed: Gaussian Blur and Bokeh Blur now have a "Gamma Boost" slider instead of a "Gamma" property. This is now used to configure the change in gamma rather than specifying the gamma that the image should be assumed to have. The intent is still to provide something of a brightness/highlights amplifier for creative purposes.
  • Changed: Effects->Blur->Motion Blur now uses a Gaussian kernel.
  • New: Effects->Render->Clouds now has a Colors tab for configuring the colors that are used
  • Changed: Image->Canvas Size will no longer use the secondary color to fill in new areas for the "background" layer. It will always fill with transparent black (#00000000).
  • Improved dithering quality when saving an image at 8-bit or lower color depth, and when using Effects->Color->Quantize
  • New: Updated to use Mica effects in the title bar on Windows 11
  • Fixed some more scrollbars to respect dark theme (thanks @toe_head2001!)
  • Fixed: The Move Selected Pixels tool will no longer finish (commit) when toggling layer visibility. This was a workaround for a bug during an early beta of 4.0 that does not seem to be necessary anymore.
  • Improved: Greatly reduced CPU memory usage by maintaining the tile cache only on the GPU instead of having a copy on the CPU-side as well.
  • Improved: Significantly reduced GPU memory usage by consolidating down to 2 swapchains that are shared among image tabs, instead of each image tab having its own private swapchain.
  • Improved: GPU effects now use a smaller tile size on GPUs with less RAM, which should enable faster updates and cancellation response on older GPUs. This also significantly lowers the probability of TDR events, particularly for expensive effects like Median Blur.
  • Fixed: The Save Configuration dialog sometimes looked like it was having a seizure when panning after zooming (w/ Ctrl + Mouse Wheel)
  • Fixed: The Line/Curve and Shapes tools would cancel instead of commit (Finish) when pressing ESC too soon after using the arrow keys to move the shape
  • Improved the performance of the portable release by reducing how often the JSON settings file is flushed.
  • New: CMYK64 images can now be loaded. Note that CMYK images are always transformed to Adobe RGB.
  • New: Added the ExponentialScale double property for IndirectUI. The default value is 2.0. It goes along with the UseExponentialScale boolean property.
  • New: GPU effect plugins can now use compute shaders. Note that this is "raw" support by providing access to the necessary Direct2D interfaces (e.g. ID2D1ComputeInfo).
  • Deprecated: The classic/legacy effect system has been marked as [Obsolete]. Compiling a classic/legacy effect will produce a compile-time warning along with a message about migrating to the new GpuEffect or BitmapEffect systems. This will be changed to a compile-time error in a future update (either v5.2 or v6.0, whichever is next).
  • Removed: Settings -> UI -> Show image previews in the Windows taskbar.
  • Removed: Settings -> UI -> Enable scrolling past the edge of the canvas (overscroll). This is now always enabled.
  • Updated to use .NET 9.0 (previously this was .NET 7.0)
  • Updated the minimum OS requirement to Windows 10 v21H2 (previously this was Windows 10 v1809)
  • Updated the bundled AVIF FileType to version 3.10.0.0. Thanks @null54!
  • Updated the bundled DDS FileType Plus to version 1.12.11.0. Thanks @null54!
  • Updated the bundled WebP FileType to version 1.4.0.0. Thanks @null54!
 

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Paint.NET 5.1.1 - released on December 4th, 2024

This is a small update that contains fixes for some bugs and that were discovered in 5.1, as well as a new Fill option in the Image -> Canvas Size dialog. It also has workarounds for some bugs in Sentinel One (antivirus) that were causing crashes in the installer and hangs during app startup.
  • Added the ability to choose the fill color when expanding the image with Image->Canvas Size
  • Fixed the ability to paste images with transparency from Firefox
  • Fixed the ability to paste certain types of images with transparency from Microsoft Office applications
  • Changed Edit->Cut and Edit->Crop to Selection to completely zero out pixels outside of the selected area, which could otherwise be a privacy issue.
  • Fixed the inability to load an image with a bad ICC color profile. The color profile will now be ignored and the image will be treated as if it had an sRGB color profile.
  • Fixed the titlebar text being drawn in the active text color when the window is not active when using Light or Blue themes
  • Reverted the removal of the Settings checkbox that lets you disable overscroll
  • Fixed a crash in the Levels adjustment UI due to a rounding error
  • Fixed a race condition in resource loading that sometimes caused the zoom level in the status bar to display as "ScaleFactor.Percentage.Format"
  • Fixed some graphical corruption, hang, or crash issues caused by Nahimic A-Volute malware
  • Worked around a crash ("0xc000007b") in the installer caused by Sentinel One antivirus.
  • Worked around a hang at app startup if Sentinel One antivirus.
  • Fixed many cases of screen blanking, rendering glitches, and crashes on systems with certain NVIDIA GeForce GPUs, and certain displays with support for overlays and/or VRR (FreeSync, GSYNC). This appears to be a bug in NVIDIA's driver.
  • Fixed effects calling Dispose() on the IServiceProvider when they shouldn't have been. This affected plugins like CodeLab and Plugin Browser.
  • Updated the bundled AVIF FileType to version 3.11.0.0 (thanks @null54!)
 

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Paint.NET 5.1.2 - released on December 19th, 2024

This update fixes some small bugs, including flickering issues with NVIDIA Fast VSync, and should further soothe the screen blanking issues being reported on some systems with buggy MPO (multiplane overlay) support.
  • Improved (reduced) CPU and GPU usage of the canvas, which leaves more CPU time for things like input processing. This was done by enabling VSync while also utilizing the DXGI Frame Latency Waitable Handle to minimize latency.
  • Fixed some screen blanking issues for some systems that have buggy MPO (multiplane overlay) support.
  • Fixed flickering and mouse trails for systems that have NVIDIA Fast VSync enabled (NVIDIA driver bug).
  • Fixed a hang while making changes to the Transparency Checkerboard Brightness setting when certain legacy plugins are installed.
  • Fixed a crash in the Levels adjustment UI if it was canceled or closed too quickly.
  • Added a /diagnostics command-line parameter that shows the diagnostics info without having to start up the whole app.
  • Added convenience constructors to most of Direct2D's built-in effects (for GPU effect plugin authors).
  • Added a PrimitiveBlendEffect for GPU effect plugins. This wraps ID2D1BlendTransform which is normally only available for use within the transform graph of a custom effect.
  • Added ability for plugins to work with CMYK (PixelFormats.Cmyk32/64 and ColorCmyk32/64 structs)
  • Updated the DDS FileType Plus plugin to v1.12.12.0 (thanks @null54!)
 

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Paint.NET 5.1.3 - released on February 8th, 2025

This is a maintenance release with a big heaping of performance improvements, bug fixes, and other small changes.
  • Fixed: Some PNG metadata from text chunks is now preserved (Author, Comment, Copyright, and Description).
  • Fixed some issues with snapping tool windows when there are multiple monitors with different scaling levels. Sometimes the snapping boundaries would be calculated in the wrong coordinate space and cause snapping to happen at seemingly arbitrary (and weird) locations.
  • Improved frame rate, frame pacing, and responsiveness of the canvas when using CPU- or GPU-intensive tools such as Move Selected Pixels.
  • Fixed an off-by-1 error in the Median Blur effect that was producing incorrect results, especially with radius=1.
  • Fixed a crash in the Levels adjustment's UI due to some improper value clamping.
  • Fixed the Red Eye Removal effect so it no longer crashes if the canvas zoom level does not show the whole image.
  • Fixed the Red Eye Removal effect so that it properly clips to the active selection.
  • Fixed: View -> Zoom to Selection no longer adjusts the zoom level slightly if used twice in a row.
  • Improved: The Color properties for the Clouds effect now have Reset buttons, which will reset them to the current Primary and Secondary colors.
  • Fixed: When opening an image with a CMYK color profile, it will be ignored and removed if the image is actually RGB.
  • Fixed some issues with the mouse cursor briefly being a generic arrow instead of the tool's requested cursor.
  • Fixed: The installer will no longer silently die on Windows 10 pre-v21H2. It will now correctly show an error message stating that Windows 10 v21H2 is required, and the exit code will be ERROR_OLD_WIN_VERSION.
  • Substantially improved UI responsiveness when modifying a complex selection with a combine mode other than Replace
  • Fixed: Tooltips now respect dark mode (thanks @toe_head2001!)
  • Fixed: The Text tool's "Sharp (Modern)" rendering mode has been reverted to use Natural Symmetric rendering instead of Natural Symmetric Downsampled.
  • Reduced the performance cost of the circle "preview cursor" that all of the brush tools use.
  • Fixed PdnZoomBlurEffect when the AlphaMode property was set to Straight.
  • Fixed PdnZoomBlurEffect when the BorderMode was set to Soft.
  • New: HlslUnaryFunctionEffect (for GPU effect plugin developers) now has FrexpMantissaPortion, FrexpExponentPortion, ModfIntegerPortion, and ModfFractionalPortion. These provide access to the Frexp and Modf HLSL instructions.
  • New: Plugins may now implement custom DirectWrite IInlineObjects.
  • New: IEffectConfigForm.Close() is now public, and may be used by plugins that are hosting other effects via IEffectsService2.
  • New: Added an accelerator key for Image -> Rotate 90° Counter-clockwise.
  • New: Added accelerator keys to the View menu for the Inches, Centimeters, and Pixels choices.
  • Changed to use the Windows thread pool instead of the .NET portable thread pool.
 

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