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Multiple Random small white horizontal lines on exported images.


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Have just moved from macOS to Windows 11. When I export an image from one format to another, all images are blemished with small white lines. This happens as a single export and batch jobs. I'm using Photo  v 1.10.5.1342 on Windows 11  v22000.739. The Dell computer has 12th gen i9-12900K  3.2 GHz  32gb RAM and graphics card NVIDIA GeForce RTX 3080. Affinity is reading and writing from/to an internal M2 SSD. The blemishes occur irrespective of original image format and export format. I have spoken to Dell who has confirmed that the hardware is working fine.  Anybody else suffered these issues?

Image 1 is from an iPhone 12 pro max saved in HEIC. Image 2 is exported as TIFF RGB 16.

Image 1.tiff Image 2.tiff

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Thanks for this. I have disabled the hardware acceleration. I will get a chance to test it properly tomorrow morning. I have just done a quick batch export of 10 images, originals in heic, jpg and dng,  into TIFF RGB32. These all seem fine at a quick glance.

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