Damage will now be increased, with the Spirit Gauge being correctly consumed.
Here's the entire Monster Hunter World 5.0 patch notes from the official site.
Monster Hunter World 5.0 requires approximately 900 MB of space on PS4 and 1GB on Xbox One, but the bug fixes included are definitely worth it. Cactuars will also appear on the map during hunts and they can be used as environmental traps, so be aware of any in your area. Your Palico can also wear new equipment to look like a moogle or Cactuars. Hunters can get new Behemoth armor in 'Monster Hunter World' Capcom