The expectation for the release of the final versions, but Apple still thinks it needs to trim some edges in the next versions of its operating systems. Therefore, we arrived today fifth beta versions of iOS 11.2 (compilation 15C5111a), from macOS High Sierra 10.13.2 (17C83a) and the tvOS 11.2 (15K5105a) only the watchOS 4.2.
As we already said, the new features of the operating system that equip iPhones, iPads and iPods touch are: new wallpapers, changes in the Control Center, Apple Pay Cash (obviously in the countries where Apple Pay has already been launched), compatibility with wireless recharge a little faster, among other little things.
In tvOS, the only relevant novelty is the possibility of configuring the device so that the reproduction corresponds to that native to the content being displayed, both in terms of frequency and in HDR mode.
Maybe these are the last versions of tests until everything is released to the general public, next week. In the meantime, if you want to test the new betas, you can register in the Apple Beta Software Program, the new compilations should paint there soon.