My number one would be to get back what we had, but better on the native M1:
IFC import
This was lost and now only available when starting 2022 in rosetta2 mode, which makes it slower.
It would be nice if there was a way to respect ‘SketchUp’ rules.
That is, when a certain object is repeated in a model but on different locations, it would be inserted as component with it’s internal axes on one of the bounding box corners and each compdef would be ‘instanced’ instead of now being a unique definition and with all internal axes on the model origin.
An IFC exporter that correctly exports attached data comes is the second 