In a project I work on, we recently updated from MPS 2020 to 2021. After the update we noticed that editors which use optional cells inside of a vertical grid no longer behave as expected - the content is no longer formatted in columns.
The old, expected behaviour:
The new behaviour:
I did some investigating of my own and it seems like there is an additional collection in the cell hierarchy (although the editor definition is exactly the same), which I believe might be causing this issue:
Is there a way to restore the old behaviour?