Rick Brewster shipped Paint.NET 5.2 alpha build 9739 in early September 2026, adding “extremely experimental” WINE/Linux support to the long-running Windows image editor. He says it is not production ready, but it runs.
2026-09-02 · by Moe Ameen
Published 2026-09-02 · Updated
Short answer
Paint.NET 5.2 alpha build 9739, released in early September 2026, added "extremely experimental" support for running the Windows image editor on Linux through Wine. Developer Rick Brewster got it working with a from-scratch, clean-room rewrite of Direct2D, the Windows graphics API Paint.NET depends on. He says it is not production ready. The same build moved to .NET 11 and added Mosaic tiling modes. Paint.NET is still a free download.
Key takeaways
Paint.NET, the free Windows raster image and photo editor that has been around since 2004, now runs on Linux for the first time. In early September 2026, developer Rick Brewster released Paint.NET 5.2 alpha build 9739, which adds what he explicitly labels "extremely experimental" support for running the app on WINE — the compatibility layer that lets Windows programs run on Linux. Brewster is blunt about the state of it: he says it is not "production ready," and he "wouldn't even call it 'alpha quality.'" But it launches and edits, which it never did before.
The headline blocker was Direct2D, Microsoft's hardware-accelerated 2D graphics API that Paint.NET leans on heavily and which has no native equivalent on Linux. Rather than wait on WINE to implement it, Paint.NET now carries an internal, from-scratch, clean-room reverse-engineered rewrite of Direct2D that it uses when running under WINE. To try the Linux build you use the portable version of Paint.NET rather than the Windows installer, and Wine support has since moved into its own separate package.
Build 9739 also moves the app to .NET 11, adds updated translations, and introduces new tiling modes for the Mosaic effect. The Linux support is the newest thread in the broader Paint.NET 5.2 alpha cycle, which across earlier builds added eight new effects (Linocut, Mosaic, Pointillism, Stained Glass, Ordered Dither, Spherize, Waves, and Halftone), CICP color metadata support, and HDR-to-SDR tone mapping when opening HDR images.
Paint.NET remains a free download from getpaint.net, and buying it on the Microsoft Store is a way to support the developer. The 5.2 release is still in alpha, so treat the Linux capability as a preview, not a shipped feature — confirm the current state on the Paint.NET forum or blog before relying on it.
The reason this news lands is OS friction: Linux users want the tools they like without a Windows machine in the loop. Paint.NET's WINE build chips at that for one narrow job — hand-editing a single image — but it does it through an alpha compatibility layer that is slow and unsupported today. Kompozy sidesteps the whole problem: it runs in the browser, so a Linux creator gets the full content workflow with no WINE, no portable build, no Direct2D rewrite, and no OS caveat.
More to the point, editing a pixel is the start of the job, not the end of it. Take the image you cleaned up in Paint.NET, drop it into Kompozy as a brand reference, and it becomes the finished formats a desktop editor can't produce: face-locked Persona Photos, a brand-exact Carousel rendered through HyperFrames, quote cards, a blog article, and a matching newsletter — every piece held to one Persona Brief so the batch reads as one creator. Then Autopilot schedules and publishes the set across the eight social platforms plus blog and email behind a per-post review. The Paint.NET-on-Linux story is itself postable: paste the facts into Kompozy and it fans one take into a plain-language news explainer, a comparison carousel, and platform-native text posts while the story is fresh. Paint.NET edits the image; Kompozy turns it into a published week.
A real photo post made in the Kompozy workspace, shown as an example of the format. It was not made about this story.

Best for:
Not ideal for:
Sort of — as of alpha build 9739 (early September 2026), Paint.NET 5.2 has "extremely experimental" support for running on Linux via WINE. Developer Rick Brewster says it is not production ready, and it requires the portable version rather than the installer. It runs, but it is a preview, not a daily-use feature.
The main obstacle was Direct2D, a Windows graphics API Paint.NET relies on heavily that has no native Linux equivalent. The team wrote an internal, from-scratch, clean-room reverse-engineered rewrite of Direct2D that Paint.NET uses when running under WINE, which is what makes the Linux build possible.
Build 9739 updates the app to .NET 11, adds updated translations, and introduces new tiling modes for the Mosaic effect alongside the experimental WINE/Linux support. Earlier 5.2 alpha builds added eight new effects, CICP color metadata support, and HDR-to-SDR tone mapping.
Yes. Paint.NET is a free download from getpaint.net. You can also buy it on the Microsoft Store, which the Paint.NET site describes as a way to support the project.
We checked every figure, date, quote and product claim on this page against the sources listed below on 2026-10-23, and removed or rewrote anything we could not confirm. The Paint.NET forum post blocked our fetch, so we checked it against the developer's blog, the Wine project README and reports that quote the post. We could not confirm an exact release date, a WSL2 demo or a Store price, so we removed them. Kompozy plan and product details come from kompozy.io/pricing.
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