When did you stop swaddling?

Hi all!

I have a 4 month old who just learned how to roll over (and boy did he stay up all night excited about that one☺️). We had his arms out in a Halo swaddle around 3mo and then we fully removed the swaddle about two weeks ago. He went through a major regression last week, so my husband tried putting him back in the swaddle (arms out of course) and that worked like a charm. If he sleeps better with the swaddle, I don't