will there be a 1.16.4? I have a few mods under that version that require this but it won't ever work, I have the most recent 1.16.4 forge version but can't get collective to work

You can filter for specific versions within the All files tab. Here's a link: https://www.curseforge.com/minecraft/mc-mods/collective/files/all?filter-status=1&filter-game-version=2020709689%3A8134