The software version of this update is G970FXXU3ZSK3, G973FXXU3ZSK3, and G975FXXU3ZSK3 for the international (excluding the US) Galaxy S10e, S10, and S10+ respectively. The size of this update is more than 550MB.
If you are from Korea, Germany, and the US – For you, it is 3rd One UI 2.0 beta and for the rest of regions, including India and UK, this is 2nd One UI 2.0 beta.
You can check for the update manually by heading into the Settings > Software update > Download and install.
Are you using the One UI 2.0 beta? Let us know in the comments below.