WFI J161953.3+031909: genuine eclipsing Z Cam (+SU UMa?) star in the period gap

ZTF data indicate that this object is a genuine Z Cam star. Long standstill in 2021 Feb.-Sep. There has been no indication of the IW And-type phenomenon. Long outbursts in 2019 may have been superoutbursts. The supercycle(?) was 70-90 d with a long duty cycle. This would be classified as UGZ+UGSU(ER):+E.