It sounds like you are looking for the same sort of features. The posts you link to are what I’m looking for as well. I never had a lot of luck analysing the exported the data as it was difficult to get a good idea what is going on.
It would be great if this could be added to the roadmap at: https://saleae.upvoty.com/
It does sound like huffman was working on it, at least at one point.