Note that we need to sort out https://bugs.launchpad.net/launchpad-buildd/+bug/1650946 before "only LP builds for classic" constraints can usefully be imposed, although I certainly have no objection to the constraint in principle.
Note that we need to sort out https:/ /bugs.launchpad .net/launchpad- buildd/ +bug/1650946 before "only LP builds for classic" constraints can usefully be imposed, although I certainly have no objection to the constraint in principle.