This is the way. It may have a steep learning curve but the i3 docs cover everything you may need. There will be some different counterparts on Wayland though.

Added an update.

It seems PADD got borked. Permission thing is happening again.

Don’t know about Cachy but Endeavour is not even a fork. It’s just Arch with a fancy installer.

Ironically Manjaro holds packages back for stability makes it unstable.

There is no need for Manjaro where Endeavour exists.