If we go back to version 1.5.1 everything works fine also the settings as described. On our site, nothing changed, only the plugin 1.5.1.1. Please search for a rare exception with WooCommerce and ASTRA/ SPECTRA. This is the project https://ilovehandbags.com/de/
Still the same in our case.
We have the same issue. Something got broke in the current version, we are going back to Version 1.5.1