For the 2019 models, the Xperia 10 has had a new update to firmware 53.0.A.6.92, while the Xperia 10 Plus build number has moved to 53.0.A.6.88. It doesn’t look like there are any new features in this new firmware. If you have updated, please let us know your impressions in the comments below.
Thanks Jozef!