I see virtualbox in the updates. Maybe related to this and this? Then again, this does no sound good:
[2026-04-22T20:15:36+0200] [ALPM-SCRIPTLET] ==> Creating zstd-compressed initcpio image: '/boot/initramfs-linux.img'
[2026-04-22T20:15:37+0200] [ALPM-SCRIPTLET] ==> WARNING: errors were encountered during the build. The image may not be complete.