In the meantime: with bionic daily raspi3 images enabled (which are by default ran with PROPOSED=1, so including all the required packages), we can see that the raspi3 rootfs builds are succeeding for both arm64 and armhf. All other daily builds seem to be working correctly as well. Additionally to that, I have confirmed through the manifests that raspi3-firmware is no longer used.
In the meantime: with bionic daily raspi3 images enabled (which are by default ran with PROPOSED=1, so including all the required packages), we can see that the raspi3 rootfs builds are succeeding for both arm64 and armhf. All other daily builds seem to be working correctly as well. Additionally to that, I have confirmed through the manifests that raspi3-firmware is no longer used.