What new mechanics or features have been added in the recent updates to Valorant and how has it affected the gameplay?

The main sources of changes in Valorant are new agents. Clove can block vision even after death, and Iso in his ultimate conducts a one-on-one duel until the end.
You can see Clove's abilities in this video: https://www.youtube.com/watch?v=_W4j1uk1dYg