Note: This update is for the Steam Deck Beta and Preview channels, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel.
The Steam Client Beta has been updated with the following changes:
General
Display shader cache disk usage information under Settings->Storage
Remote Play
Fixed rare case of the connection hanging when starting to stream
Added support for low latency networking option on Steam Link
Use fixed bitrate in automatic bandwidth mode to improve picture quality
Steam Input
Restored ability to rename controllers in the Options->Controller menu.