Bug Report: AE CC 2020 Premultiplied Alphachannel from ProRes 4444 will result in black outlines
When using ProRes 444+ with premultiplied Alpha in AE2020 (17.x) on MacOS 10.14. and 10.15. the key will have black outlines. Bug wont occur in AE2019 (16.x) or with AE2020 on MacOS 10.13. Please fix this issue.
Joseph Lawson commented
This also happens on Windows 10 as well for me. It's very disruptive to an otherwise clean workflow. I'm glad I'm not the only one, and Ihope this gets fixed soon.
Daniel Fallik commented
Simply terrible! This needs to be fixed, it works well in Premiere on latest version.