I don't have an older part in hand to verify if this might be a new mold.
If someone could please confirm that there are no major differences between the
existing entry and what I found, then please add the Alternate number to it.
Hello, I found an 8x8 plate in set (Set 10970-1) It is molded 93517 and has a new code: 6404744 in the set data. It weighs 53g. The instruction booklet still shows it as 6343498: [...] (21 months ago, Aug 31, 2022, to Catalog Requests)