Here is an article with technical details if anyone is interested.

https://www.pv-magazine.com/2022/11/21/longi-claims-worlds-highest-silicon-solar-cell-efficiency/

Seems like it uses more or less the same technology as the previous record set in 2017 (amorphous silicon heterojunction, originally called HIT by Sanyo). But it's a bit noteworthy because everyone struggled to approach Sanyo/Panasonic's efficiency for many years.