The Steam Client Beta has been updated with the following changes:
General
Fixed the new controller support panel showing on tools/applications
Fixed opening Big Picture Mode from the system tray/task bar
Big Picture Mode
Add the buttons back to the game launch interstitials rather than relying on the footer buttons
Steam Input
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Fix the desktop configuration page being blank when opted-out of Steam Input
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Fix for Steam Controller gyro turn rate, and sped up gravity correction. Both were affecting the feel of Gyro to Deflection Mode.
Source: https://store.steampowered.com/news/gro ... 0631343733