Apple today seeded the third beta of an upcoming tvOS 13.3.1 update to developers, one week after seeding the second beta and over a month after releasing the tvOS 13.3 update.
Designed for the fourth and fifth-generation Apple TV models, the new tvOS 13.3.1 developer beta can be downloaded onto the Apple TV via a profile that's installed using Xcode.
tvOS updates are typically minor in scale, focusing on under-the-hood bug fixes and improvements rather than major outward-facing changes. Apple provides little to no information on what's included in tvOS beta updates, so we may not discover anything new after installing the software.
While we don't often know what's new in tvOS during the beta testing process, we let MacRumors readers know when new updates are available so those who are developers can download it upon release.