We wanted to let you know that we plan to remove the Convert Tool beta from the Terrain Editor a few weeks from now. This means that both the beta and access to the Convert Tool will be removed from Studio. We will still maintain support for any APIs that utilize this functionality.
If you still prefer to use a tool to convert parts into terrain, we recommend trying out these community-made alternatives:
We decided to remove this feature because we think the community-made alternatives offer a solid solution, and we have better ideas for how we want to support the use cases this tool was built for longer-term.