The information was confirmed by Samsung testing Android 8.0 Oreo for smartphones Galaxy and Galaxy S8 S8+ ends next Monday January 15th.
Today released the fifth beta version of the firmware. The update brought fixes some errors, for example, to reboot the smartphone when you turn the camera, and a security patch January 2018.
Since the completion of the beta program will be held approximately two weeks before a major upgrade. So it was with Android 7.0 Nougat when it was tested on Galaxy S7.
If you by some Fluke participant of the beta program, then grab your update. All the rest are now waiting for the end of January.