First releases usually get a follow up release quickly to get out the initial troubles. That's why this release is also nick-named Toothing Problems
. Get the 1.1 release files from the Download Section. You can install it over the 1.0 release but I would suggest uninstalling the 1.0 first. Keeps the engine directory cleaner.You can find the full Changelog of the latest release on this Perma-Link: Changelog Latest Release.
Besides Bug-Fixes there are also Feature-Additions, namely Outline and Interact-Prompt behaviors added. More information you find at the Developer Wiki (behaviors with 1.1 noted)
Video Outline Texture Property | Video Interact Prompt Behavior
You can also find the full Changelog of the upcoming release on this Perma-Link: Changelog Upcoming Release