The latest update KB3081455 is said to contain various fixes and improvements as with all updates but nothing specific about it is known, as Microsoft has decided to not provide detailed changelogs for all updates, only significant ones. To install the update, simply head to the Updates and Security section of Settings from the Action Menu and check for updates. If you haven't been installing any updates so far, this one will have you covered and will get Windows 10 up to speed with the latest patches.