As noted by MacRumors, Apple has released a new firmware update for the AirPods Pro, upgrading the existing 2D15 firmware to 2D27.
You can’t force an install, but he firmware update should install automatically when connecting the earbuds to an iPhone or iPad. If you wish to see if it’s been installed, you can check the firmware of your AirPods Pro by:
Launching the Settings app on your iPhone or iPad.
Scroll down to AirPods Pro and select it.
You’ll see the firmware number under “Firmware Version.”