"For the Pi 3B+ you will also have to update the Pi bootloader files (bootcode.bin, fixup.dat and start.elf) on the system-boot partition." https://wiki.ubuntu.com/ARM/RaspberryPi#Booting_the_official_Pi_2_image_on_the_Pi_3B.2F3B.2B-むむむ
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.