An group known for Nintendo Switch piracy has obtained and distributed a full file dump of Super Smash Bros. Ultimate, set to release in two weeks on December 7th. While ealr game leaks are not uncommon, a leak this far in advance is quite unusual, especially a leak of a game as hotly anticipated as Super Smash Bros. Ultimate.
https://www.notebookcheck.net/Two-weeks-ahead-of-release-a-full-copy-of-Super-Smash-Bros-Ultimate-has-been-leaked.369336.0.html