This release includes a bump to the base Alpine Linux version as covered here: https://wiki.alpinelinux.org/wiki/Release_Notes_for_Alpine_3.13.0#time64_requirements
This will require a minimum Docker version of 19.03.9 for 32bit based systems (Arm32 or i386)
Other 3.0.0 release notes here: https://discourse.nodered.org/t/node-red-3-0-0-beta-1-released/62124