Build is not displayed in serial output, probably master/66ff5ffe. Same result occured on nanopi R1 and bananapi. boot screen displays: "Failed to load 'uInit-5.15.32-ipfire' Ramdisk not loaded." Said file does not exist, although initramfs-5.15.32-ipfire.img is present. /boot is reported as 60% full. kernel does boot, but boot does not complete and system is unusable. Although the system hangs, plugging/unplugging USB devices, eg, is reported.
I see that the core167.img.xz file is only 250 MiB, whereas core166.img.xz is 337 MiB. Is the build failing to incorporate some components ?
It is not fixed in an upgrade to Core167 stable, that is still trying to boot kernel 5.15.32, after that has been deleted during the upgrade and replaced with kernel 5.15.35.