1 - udev_enumerate_remove_matches()
3 - test (now fixed) /dev/tape/ links
5 - remove RUN+="socket:"
7 - libudev: return proper errno or set errno
9 - move ctrl.c from libudev/ to udev/
15 - /run/udev/control socket
16 (add ConditionVirtualization=!pidns)
18 - kill rules_generator:
19 - no longer rename netifs in kernel namespace
20 - drop persistent optical names
21 - do not create rules on-the-fly, require explicit configuration
22 for netifs and optical drives
23 - properly document what system management needs to put
28 - remove deprecated trigger --type=failed logic
30 - remove deprecated BUS=, SYSFS{}=, ID= keys