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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
this would require Node 20+, which is not currently available on Codewars. this cannot be considered a kata suggestions, because kata authors cannot install new language versions, only the administrators of Codewars can. you can request language versions here
And where is the suggestion?