Curiously, this patch includes Google's April 2019 security patch again, which was already released a few weeks ago with patch number 126.96.36.199(C431E4R2P2). This past update also included camera optimizations.
For those interested, here's all the details, with some examples, as well as a closer look at the hardware used to achieve the dual-view mode, such as which lenses are used for each side, a closer look to the zoom and the use of ToF sensor.
Here's a quick preview of this new mode:
Moving on to the P20 Pro, Google's April 2019 security patch is also rolling out for this model.
The Mate 10 Pro is not left behind, receiving the April 2019 security patch a few days ago.
And as a bonus, the Mate RS received the April 2019 security patch close to a month ago, leaving all the other devices in the dust.