We're in the process of updating our documentation to help people port their existing plug-ins and scripts to 3.0: https://testing.developer.gimp.org/resource/w

We're in the process of updating our documentation to help people port their existing plug-ins and scripts to 3.0: https://testing.developer.gimp.org/resource/writing-a-plug-in/ https://testing.developer.gimp.org/resource/writing-a-plug-i... Now that the API is stable for 3.0, we're hoping more people will feel comfortable updating to it.