Google has released a December security fix for Android only and for pixel users, this release includes dozens of functional patches to improve performance and initial bugs in Pixel 3 and 3 XL. Most notably, the patch should fix poor memory management, which so far gives the opportunity to prematurely stop background apps such as the phone's suffix.
You should be able to multitask without removing your music or podcasts suddenly after patch install. This problematic decision to leave a pixel 3 with a 4 GB RAM on Google's decision has left an ugly spotlight.
There are also numerous other optimizations and fixes in the update. Some are related to the camera: Google says that it has "adjusted the behavior of autofocus behavior" on pixels 3 and 3XL and "camera shutter display is improved". But both Pixel 2 and Pixel 3 will get "Improving Camera Capture Performance", which Google could say is that your photos will no longer disappear. (Unfortunately, there is nothing in this monthly patch about invisible text messages.)
Other functional patches are related to pixel stand – always with better keyword search and improvements) – and Android Auto. Google says Android Auto compatibility for pixels 2 and 3 has been improved. There is a single fix that reaches the original 2016 pixel: Google says all generations will now experience improved unlocking performance on Bluetooth devices.
December patch should be available today from your Pixel's settings menu.