We can officially confirm that Sony has started releasing Android 11 among its customers who own the Xperia 1 II phone. Taiwan is the first country with a new system update for the Xperia 1 II. Thus, Sony keeps its' word given earlier, when company representatives announced that the Xperia 1 II will receive an update to Android 11 by the end of this year.
The update with code number 58.1.A.0.921 weighs 933MB. By downloading this file, users also receive the November security update on their phone. The system update to Android 11 itself introduces many new features, including the addition of support for slow motion video recording in 4K HDR 120fps quality and the addition of an icon responsible for screen recording to the notification bar.