Hi, I am facing the same issue, Effect Palette not showing my plugin. It is not showing plugin provided in sample. I am pasting my plugin into AVX2_Plug-ins folder. I tried with Avid MC 2021.6, Avid MC 2021.9 Avid MC 2019.6 I'm compiling the sample projects with Visual Studio 2019 with x64 configuration. Looking forward for your help. Thanks Manjit