Without an official changelog to go with it, the Sony Xperia 1 II has just received a new software update. The 108.6 MB patch is available via OTA and contains the November 2020 Android security patch from Google, most likely combined with a few Sony-exclusive tweaks and fixes.
https://www.notebookcheck.net/Sony-Xperia-1-II-gets-the-November-2020-Android-security-patch.505186.0.html
It's being rolled out in a few days. It's not even available yet. What are you talking about