Steam’s September 9 client update introduces a host of new customization options, including the ability to replace a game’s cover art, logo, background, and wide cover with custom images. Users can also assign hidden titles to games, allowing them to manipulate sorting in Steam Collections—for example, naming a game "A" will place it at the top of an alphabetical list.

These features follow successful testing in Steam’s beta client, where Valve gathered community feedback to refine the tools. The update also includes numerous bug fixes and UI improvements, along with accessibility enhancements for users with visual impairments. A new high-contrast mode and adjustable text scaling aim to make the storefront easier to navigate.

While this patch focuses on customization, it is part of a broader effort by Valve to modernize the Steam client, with more significant UI changes reportedly planned for the future.

The update also reminds users that macOS 11 support will end on October 15, due to the embedded Google Chrome engine no longer being compatible and Apple discontinuing security updates for the older OS. Users will need to upgrade to continue using Steam.

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