Looks like that did the trick!
snap refresh maas --channel=latest/edge/curtin-stable
root@controller:~# snap list
Name Version Rev Tracking Publisher Notes
core18 20200724 1885 latest/stable canonical✓ base
core20 20 634 latest/stable canonical✓ base
maas 2.9.0~beta5-9002-g.2a342196f 9821 latest/edge/… canonical✓ -
maas-cli 0.6.5 13 latest/stable canonical✓ -
snapd 2.46.1 9279 latest/stable canonical✓ snapd
I tested with this workflow:
- commission - good
- deploy - good
- power off - verify boot order - good
- release - good
- deploy - good
- power off - verify boot order - good