https://5thsrd.org/rules/multiclassing/You can multiclass in 5E (assuming Larian stays consistent with 5E on this point). There are stat requirements to multiclass into specific classes, but you can multiclass. Feats are selected in place of ability points at certain level thresholds.
Feats:
https://www.aidedd.org/dnd-filters/feats.phpThere are fewer feats than 3E, as 5E is all about 'streamlining', but they are there and some of them are quite good.
