Hi, I've just upgraded a project of mine in the latest unity (2018.1.2f1) and the all my psd files (exported using krita) were imported with horrible artifacts. I'm not sure if it's something that should be addressed by the krita or the unity team, but maybe a krita dev would like to have a look into krita psd export and latest unity compatibility.

Um... For that, we'd need to have access to Unity, which we don't have. And if it started happening after updating your version of Unity, report the issue there first. As far as I can check, other applications like Photoshop, Corel Painter or Gimp don't have problems with the files we write.

Fyi; Transparency is still broken on Krita PSD files as of newest Krita version and Unity 2018.4.22 LTS. If PSD file saved via Krita is opened in Photoshop and saved again, it fixes itself

Krita PSD file is also ~60% of the size and the file size increases considerably when saved via Photoshop; Could be, and probably is unrelated. It just kinda looks like compression artifacts.

The pile of books and lantern are old Photoshop paintings, and the pants are from Krita in PSD format:
https://pasteboard.co/JaknsKA.png

If opened in Photoshop and re-saved (no changes at all needed) the transparency works fine:
https://pasteboard.co/JaknTX2.png

Another test; On left is image saved as PNG in Krita, and on right is same image saved as PSD in Krita:
https://pasteboard.co/JakoRbh.png

PNG however is destructive format because you can't use layers and it becames a lot harder to edit the image later on because of that which is rather no no for game development.

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As for

Um... For that, we'd need to have access to Unity, which we don't have

; Unity is the most popular game engine (By their words, take with lil bit of salt, 50% of games are made with Unity at the moment, and there was 5.5M users few years back) and also free to use; You can just register and download it. Few steps more needed than getting to use Krita, but not too many

@detocroix Hi! Could you please report it as a bug on bugs.kde.org together with the examples? It would be good if you added the psd from krita and psd from Photoshop - then we could check basically byte by byte why it doesn't work. While Unity can be accessed somehow (I believe I have/had an account), Photoshop would be for example for me more difficult.