Great update - opens many possibilities.
What is particularly great is that the 10K sync limitation now applies to the synced table, not the source. That makes a huge difference. Thank you for that.
If you can somehow manage to make the filter dynamic (either something like user().email or using a Text- or Select-control (set as Personal) it would be the icing on the cake. I realize that would mean full syncing of the table on each new doc load, but that is a small price to pay for the added flexibility.
I am also really happy that relational fields still work. You can’t click on the items in the synced relational rows until you sync-in the related table, but I actually see that as an advantage for many use cases.