Nifty Knitting Stuff introduces a rustic version of the rocking chair. In Sims 3 there have been multiple rocking chair designs in various packs. (https://sims.fandom.com/wiki/Rocking_chair)
I‘d like to see these rocking chairs:Modern rocking chair
In Sims 3 we had a variety of modern versions as well.Cabin rocking chair
A rocking chair made out of twigs/ branches, to connect more with nature.
Adirondack-style rocking chairPatio swing
Rocking chairs could be repurposed into patio swings!