after adding points to a newly created layer, it is reported to still have 0 features in it

[Andreas Rabe]

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[Andreas Rabe]

Same is true for GeoPackage.

[Benjamin Jakimow]

Same is true for every datasource, as this update is made on initial load only.
I don’t think it’s a good idea to refresh it everytime a source is modified. Would be nice, but requires a lot of background loading. Instead, a scheduled process that refreshes such datasoure infos every 10 seconds (or similar) might be an option.