Created attachment 182826 [details] file to reproduce bad rendering in edit mode Enable Skia and enable anti-aliasing. Open attached file. Notice the moire in the gradient. The problem is only in edit mode, slideshow is OK.
Confirmed, and as 7.0.0.3 is still fine, bibisected using repo win64-7.1 to the following commit. Adding CC: to Luboš Luňák. https://cgit.freedesktop.org/libreoffice/core/commit/?id=6965bb07bb33429a7663a3f3ebe58ed89c4327d9 author Luboš Luňák <l.lunak@collabora.com> 2020-09-25 10:00:31 +0200 committer Luboš Luňák <l.lunak@collabora.com> 2020-09-25 19:36:26 +0200 forward axial and radial gradient types to VCL too