for S10 and note 10 families, a beta version is released recently. the stable version is expected to be released by late December 2019. while for S9 and note 9 are expected to get android 10 by Q1 2020 :(
Hi, our team is working on it and once the new update is ready, you will get a notification on your device. As of now, we do not have any official information on the exact date of delivery! Thank you. :)