As for the security updates, the August 1st and August 5th security patches deal with vulnerabilities listed as Critical and High. Obviously, you are going to want to install the update on any of the compatible Pixel devices we listed in the opening paragraph even if there are no bug fixes this month for any Pixel handset not named the Fold. To update your device go to Settings > System > System update.
Sometime this month, we expect the final stable version of Android 14 to be dropped for the Pixel 4a (5G), Pixel 5, Pixel 5a, Pixel 6, Pixel 6 Pro, Pixel 6a, Pixel 7, Pixel 7 Pro, Pixel 7a, Pixel Fold, and the Pixel Tablet. If you own the Pixel 4a, all we can suggest is that you buy a new Pixel handset, preferably one mentioned on the above list.