I made sure to use the latest iso for the live environment
mount /dev/nvme0n1p2 /mnt
mount -t proc proc /mnt/proc; mount --rbind /sys /mnt/sys; mount --rbind /dev /mnt/dev
pacman --root=/mnt --cachedir=/mnt/var/cache/pacman/pkg -Syu
:: Synchronizing package databases...
endeavouros is up to date
core is up to date
extra 7.8 MiB 8.49 MiB/s 00:01 [---------------------------------------] 100%
multilib 138.5 KiB 618 KiB/s 00:00 [---------------------------------------] 100%
:: Starting full system upgrade...
resolving dependencies...
looking for conflicting packages...
error: failed to prepare transaction (could not satisfy dependencies)
:: installing icu (75.1-1) breaks dependency 'libicuuc.so=74-64' required by qt5-webkit
:: installing icu (75.1-1) breaks dependency 'libicui18n.so=74-64' required by qt5-webkit
I saw a topic with German mentioning problems with ICU and updates, Systemupdate failed due to issue with icu - #6 by kemuzor