As the final build, 1.0.26 incorporates several cumulative fixes:

Mortal Kombat 11 's is the final major version released for the Nintendo Switch. It primarily adds content compatibility for the Klassic Movie Skin Pack and includes several character-specific bug fixes and balance adjustments . Key Update Details

: Most single-player modes (Konquer, Kustomize) require an active internet connection to sync rewards and progress. DLC Access Guide