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As mentioned earlier this month, Valve has pushed out the first update to Steam that adds in support for the DualShock 4 controller. This update is only for the Steam Client beta, so you should know right now that the update is an opt-in through the Steam options and may be buggy.
General
• Updated web control to CEF v54.0.2840. This version requires Windows 7 or macOS 10.9 and above, users on older OS versions will continue running the existing version.
• Fixed third-party mods showing up as the incorrect game name in friends lists
• Improved the error message shown when trying to run a 64-bit game on a 32-bit OS
• Improved download and patching speeds when games are installed to a traditional non-SSD hard drive
Controller
• Added Steam Configurator support for PS4 Dual Shock Controller. Note that this is a beta release. Enable in Big Picture settings Add/Test Controller settings. When enabled, PS4 controllers will have access to the same sort of customization/configuration support as Steam Controllers, including native API support.
• PS4 Controllers using this system can map the trackpad, gyro, buttons, etc. to keyboard, mouse, or x-input outputs and can make use of action sets, touch menus, radial menus, and so forth.
• Added New Mode – Joystick Mouse. This is a joystick based mouse control useful for stick based controllers.
• Added default PS4 templates.
• Added software calibration for non-Steam controller based IMUs to counter for gyro drift.
• Configuration Browser can now be toggled to show all available controller types rather than the default of the in-use controller type.
• Configurations can now be marked as “Unique” to a specific controller. This configuration will only be applied to that controller for that user’s account. By default, all controllers of a specific type will share a configuration unless marked as Unique.
• Big Picture now supports PS4 controller glyphs when using Steam Configurator support.
Streaming
• Automatically restart Steam if it crashes while streaming a game
• Added higher bandwidth options for 4K streaming
macOS
• Fixed a bug that caused the client to freeze when generating internal error reports
Linux
• Fixed issues when installing games into filesystems such as ZFS which report an abnormally large sector size
• Updated web control to CEF v54.0.2840. This version requires Windows 7 or macOS 10.9 and above, users on older OS versions will continue running the existing version.
• Fixed third-party mods showing up as the incorrect game name in friends lists
• Improved the error message shown when trying to run a 64-bit game on a 32-bit OS
• Improved download and patching speeds when games are installed to a traditional non-SSD hard drive
Controller
• Added Steam Configurator support for PS4 Dual Shock Controller. Note that this is a beta release. Enable in Big Picture settings Add/Test Controller settings. When enabled, PS4 controllers will have access to the same sort of customization/configuration support as Steam Controllers, including native API support.
• PS4 Controllers using this system can map the trackpad, gyro, buttons, etc. to keyboard, mouse, or x-input outputs and can make use of action sets, touch menus, radial menus, and so forth.
• Added New Mode – Joystick Mouse. This is a joystick based mouse control useful for stick based controllers.
• Added default PS4 templates.
• Added software calibration for non-Steam controller based IMUs to counter for gyro drift.
• Configuration Browser can now be toggled to show all available controller types rather than the default of the in-use controller type.
• Configurations can now be marked as “Unique” to a specific controller. This configuration will only be applied to that controller for that user’s account. By default, all controllers of a specific type will share a configuration unless marked as Unique.
• Big Picture now supports PS4 controller glyphs when using Steam Configurator support.
Streaming
• Automatically restart Steam if it crashes while streaming a game
• Added higher bandwidth options for 4K streaming
macOS
• Fixed a bug that caused the client to freeze when generating internal error reports
Linux
• Fixed issues when installing games into filesystems such as ZFS which report an abnormally large sector size