Verizon is pushing out an update for the LG G4 on its network. The update, which weighs in at around 415mb, carries a change log of only security enhancements. With the size of the update, it is likely that there are more changes that come with this update than just security enhancements. AT&T is also pushing an update currently which includes performance fixes for the keyboard, touchscreen and more.
You can grab the update on your phone by heading into Settings, About phone and checking for an update. If you've already updated, be sure to let us know if you notice any other changes.