Google is finally looking to improve the screenshot capabilities of Android and add a native screen recorder to the OS while at it. While the company had added a native screen recorder in Android Q in one of the beta builds, the feature was removed from the final release. The feature is present in the first Developer Preview of Android 11, though it is a bit buggy.
The Screen Record tile is located in the Quick Settings panel. If the tile is not showing up, you can edit the Quick Settings panel and then add the tile. As Android Police notes though, the feature is a bit buggy right now and there is a small delay from one tapping the tile and the recording to actually start. There is no way to record internal audio as well with the screen recorder as of now.
Whenever screen recording is active, the Chromecast icon will show up in the status bar with a red background. There will also be an ongoing notification with useful buttons like "Stop," "Pause," and "Cancel."
Google is also testing a new screenshot preview UI and the ability to take scrolling screenshots in Android 11. Similar to MIUI and other OEM skins, taking a screenshot in Android 11 will lead to a small preview showing up with buttons to "Share," "Edit," and "Extend" it. The last option will allow one to take a long screenshot which comes in handy when trying to screenshot a long list. The new screenshot preview UI and the long screenshot feature are not yet active, but they are hidden in the first Android 11 Developer Preview.
Android 11 is still in the early stages of development and the final release of the OS is over six months away. That gives Google plenty of time to look into further building these features and fix all reported issues with them for good.
Source: XDA Developers