Created attachment 163291 [details] Rectangle with color gradient and 40% transparency Open attached file and save it in pptx. Reopen the saved file or open it in PowerPoint. Notice, that the rectangle is no longer transparent. Tested with Version: 7.1.0.0.alpha0+ (x64) Build ID: 52820b52b3bca45e2db527d1cc5f4488b2e0b9d0 CPU threads: 8; OS: Windows 10.0 Build 18362; UI render: Skia/Vulkan; VCL: win Locale: de-DE (en_US); UI: en-US Calc: CL
I know how to fix it, but need some time to write a unit test.
Regina Henschel committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/51e5afb0042bc6a10f0cd02af5733079b42fa0f7 tdf#134969 Add solid transparence in color gradient It will be available in 7.1.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.