This video has some good data on tabless cell performance increases.
He tests one custom modified Milwaukee battery that uses 5s1p EVE 40PL cells, and it turns the tool into a beast.
The custom 5s1p EVE 40PL pack out performs Milwaukee’s forge 6.0 , which uses pouch cells, and runs neck and neck with the Forge 8.0, which uses 5s2p of JP40.
The 12.0ah M. forge battery uses 5s3p JP40 outperforms all, but not by much.