The software version of this update is G970FXXU3BSKO, G973FXXU3BSKO, and G975FXXU3BSKO for the Galaxy S10e, S10, and S10+ respectively. The size is around 140MB.
It also includes the December 2019 security patch. It is available for the One UI 2.0 beta testers in the country.
You can check for the update manually by heading into the Settings > Software update menu on your device.