1.20.1 is widely accepted by pretty much most mod devs to be the hub for mods on 1.20. Skipping 1.20.1 would be like developing a mod for 1.7 instead of 1.7.10, or developing a mod for 1.12 instead of 1.12.2. It jsut makes no since to skip this version as it has MOST mods you would even combine this mod with.