From stream, 4.3.5 features:
Settings Menu Rework
– Settings menu has been streamlined. Choices on menu items are now dropdowns, menus can be scrolled through vertically.
– Account and Help tabs have have received a lot of love. Account recovery/linking and support options are now much easier to access.
– Links to the Help Center, social media platforms, and Twitch stream are now on the Help tab.
– Support tickets can be created in-game.
PvP
– Entering the Settings screen in a PvP match, will bring up a match status screen, giving various stats on both teams (ex: masteries) as well as the amount of resources (gold/maps, etc) currently possessed on either team.
Misc
Various unnamed buffs to troops.
Update will be alive tomorrow (accidentally live on XBox now).
Full patch notes (including balance changes) will posted to the forums tomorrow.
–