And then there is the much-awaited Xbox Avatars.
One of the notable new features in the update is support for Amazon's Alexa voice assistant, which can be enabled via a skill.
The other big new feature launching today is the new Xbox skill for Cortana and Alexa, which is now available in the United States only.
To celebrate the announcement, Amazon is offering discounted bundles of the Xbox One and Echo Dot hardware so you can get started using the feature right away. Netflix is the first streaming service that will provide this stuff, but other services (such as Amazon Prime) will follow soon.
The October update also adds support for Dolby Vision HDR when streaming on the Xbox One S and Xbox One X. Compared to normal HDR, Dolby Vision changes the HDR settings dynamically scene-by-scene rather than flatly throughout the entire content. This expands Xbox voice control beyond using Kinect or a headset, enabling you to turn your console off and on, adjust the volume, launch games and apps, stop and start Mixer broadcasts and more.
They will appear all across Xbox One, including on your profile, as well as the profile pages of anyone who has made an avatars. With new content every month, the Avatar Store is a diverse marketplace of clothing, outfits, props, and accessories to make your Avatar even more unique.
This feature allows supported TVs to deliver enhanced HDR images, and is now supported by the Netflix app for Xbox. An Australian version of English language for Narrator is also being added.
Finally, the new languages for Narrator have also released with the update. Don't have one? Don't even have an Xbox One? This Xbox One X bundle packages Microsoft's UHD HDR beast with a matching Charcoal version of the Amazon Echo Dot - and, of course, National Basketball Association 2K19.
Watch a full overview of the update below.