Old Bruce Posted April 30, 2021 Share Posted April 30, 2021 If you use the Gaussian Blur filter (Filter > Blur > Gaussian) (with a larger than 6 pixel amount) you get vertical lines of various colours in the transparent areas. You need a transparent RGB/CMYK/Lab document. You also need transparent areas in the canvas. Apply the filter then in the Channels panel select the Alpha Channel for that pixel layer and choose Invert from the context menu. This is also happening in the Retail 1.9.3 version Mac Pro (Late 2013) Mac OS 12.7.4 Affinity Designer 2.4.1 | Affinity Photo 2.4.1 | Affinity Publisher 2.4.1 | Beta versions as they appear. I have never mastered color management, period, so I cannot help with that. Link to comment Share on other sites More sharing options...
Staff Gabe Posted May 5, 2021 Staff Share Posted May 5, 2021 Hi @Old Bruce, Thanks for spotting this. Issue logged. Link to comment Share on other sites More sharing options...
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