Though there's the fun twist that Epic has their own competing storefront now and it doesn't include either Jazz Jackrabbit game. What does it say about a company like Epic that their own storefront doesn't include most of their back catalog? It certainly feels abandoned if not abadonware.
https://www.gog.com/en/game/jazz_jackrabbit_collection
https://www.gog.com/en/game/jazz_jackrabbit_2_collection
Maybe it was abandoned for a time until GOG picked it up.