The launcher (in the MS Store, or on Steam) always updates with a new release. At least it has so far. You may not notice though, if you have auto update enabled for the store.
Every update seems to break some Addon content (remember, this is Microsoft...). Sometimes it just stops working, sometimes it causes a crash. Received wisdom these days is to empty your community folder, do the update, then gradually reintroduce stuff and see what breaks.