The current version of Ubuntu recommends 6GB of memory and a dual-core processor
4 GB.
Ubuntu doesn't have other lightweight options, but Linux Mint offers XFCE and MATE editions.
Wrong. XFCE and LxQt versions are offered - Lubuntu and Xubuntu.
Snap is a packaging system that includes every possible file or runtime that the app needs to work.
Yes, so it actually works at proper containerisation. That is actually the whole point of containerisation.
Flatpaks frequently fail to work because of library incompatibilities.
https://help.ubuntu.com/community/Installation/SystemRequirements
