Also GM had to replace batteries in 142,000 Chevy Bolts & Volts due to fire risk, so I'm not sure that should count as an example of a successful use of non-cylindrical, non-LFP batteries.

To be fair everyone had to recall those LG batteries and unauthorized SK clones [*]. Porsche Taycan, Ford F-150, its recalls all the way down.

https://www.wardsauto.com/news/ford-terminates-ev-battery-su...

https://www.autoevolution.com/news/ford-recalls-f-150-lightn...

SK settled for $2B case that revealed they stole LG battery technology https://cleantechnica.com/2021/02/15/itc-sides-with-lg-chem-...

That’s “widely available” — no one is buying them, so not “widely sold”