Google released a second developer preview of Android 11 two weeks ago. And as they did, with the first preview, Google releases a patch update. This patch fixes a number of bugs and issues users encountered while using Developer Preview. Here is the full changelog:

Fixed an issue that caused crashes when selecting elements by pressing and holding in the recent app overview.
Fixed an issue that could cause the status bar to crash in the background if the component has not been initialized yet.
Fixed an issue where too many WindowTokens were generated by SystemUI, causing choppy and frame dropping when navigating and scrolling apps.

Fixed an issue that could cause the Wear OS app to crash when pairing a Wear OS device.
Fixed an issue that could cause the Settings app to crash after tapping the search bar in the app.
A list of known issues can be found here.
Updated Android 11 developer preview system images are now available for download for Pixel 4, Pixel 4 XL, Pixel 3a, Pixel 3a XL, Pixel 3, Pixel 3 XL, Pixel 2, Pixel 2 XL and GSI. This build can be flashed manually or using the Android Flash Tool.