Formatting sd-cards does not trigger "change" uevents. As a result clients
using udev API don't get any updates afterwards and get outdated information
about the device.
Include mmcblk* in a match for watch option assignment.
ACTION=="change", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST=="block", ATTR{block/*/uevent}="change"
# watch metadata changes, caused by tools closing the device node which was opened for writing
-ACTION!="remove", SUBSYSTEM=="block", KERNEL=="loop*|nvme*|sd*|vd*|xvd*|pmem*", OPTIONS+="watch"
+ACTION!="remove", SUBSYSTEM=="block", KERNEL=="loop*|nvme*|sd*|vd*|xvd*|pmem*|mmcblk*", OPTIONS+="watch"