Custom operations missing in completion list
Given is a builder that defined a "body" custom operation. I expect that this "body" custom operation is shown in the completion list when being inside of a computation.
In the completion list shown below, the custom operation is not shown:

This is also not working:

In fact, the operation is present and recognized when it is used:

Using a pre-defined builder instance, the custom operation "body" is shown in the completion list (as expected):

Might be related to:
#4832
Microsoft Visual Studio Professional 2019 Version 16.9.5
Yes, this is likely related to https://github.com/dotnet/fsharp/issues/4832 but I don't think it's the same issue. I imagine we're just not pulling in the names during name resolution when we should, at least not in all cases. Clearly it does work when consuming a builder you don't own in source.