1. Speed Tree conversion

SpeedTree conversion between pipelines is experimental and can produce graphical glitches. If you observe them, please send us your material and corresponding textures, and describe the pipeline conversion that you are trying to perform. We will respond as fast as possible with a fix for that case.

2. All materials not including materials inside mesh asset.

Those materials are imported differently and currently are not included by using "convert all materials", but you can still select them and use "convert selected". This issue will be fixed soon.