Note: This update is for the Steam Deck Preview channel, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel.

Note on Preview Releases

This is an early Preview build of SteamOS 3.10, and may contain unexpected bugs or stability issues. If you encounter problems, please consider filing a bug on the SteamOS issue tracker.

The following notes are an overview, and may not include all changes since the previous SteamOS 3.9 Stable Release.

General

• Updated Arch Linux base

• Updated Desktop Mode from Plasma 6.7.3 to Plasma 6.8.2

  • For more information, see
    https://kde.org/announcements/plasma/6/6.8.0/

• Many security and stability improvements

• Fixed an issue where the "Slow Charger" alert could erroneously appear

• Fixed Bluetooth audio disconnection when switching between desktop and game modes

• Update timezone data for Cuba, and Canada's Northwest Territories and Manitoba

Game Mode

• Added support for VK_EXT_present_timing

• Added support for ASUS ROG Xbox Ally X20 HDR and brightness adjustment

• Improved frame timing when using the framerate limiter with VRR

• Improved screen flickering when VRR is enabled while navigating the Steam UI or leaving it idle

• Improved cursor movement under VRR. It should now match the game's framerate over 30FPS, and stop spiking the panel's refresh rate up to the maximum refresh rate

• Fixed scaling causing overexposure in certain HDR titles, such as Control

• Fixed an issue with certain games, such as UBOAT and The Fruit of Grisaia, where the image would flicker and present stale frames in Game Mode

AMD Graphics

• Added support for HDMI 2.1 VRR, FRL, and ALLM

  • Known issue: display may remain blank with the Dell G3223Q

NVIDIA Graphics

• General stability and performance improvements

• Added support for Mesh Shaders on Turing and newer

• Fixes rendering corruption in Shadow of the Tomb Raider and The Surge 2

Developer

• Linux kernel rebased on Linux 7.3

This update is for the SteamOS Beta and Preview channels, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel.

These notes contain all changes since the current stable SteamOS 3.8 release, with the changes added since the previous 3.9 preview releases noted below

General

• Security and stability updates.

• Improved frame timing when using the framerate limiter with VRR.

• Improved frame timing when using the framerate limiter without VRR. A capped game whose framerate is a multiple of the limit no longer drops below it, e.g. a 30 FPS game with a 60 FPS limit at 120 Hz running at 24 FPS.

• Reduced missed frames on fixed refresh caused by slow wakeups from deep CPU idle states.

• Fixed a black screen in RPG Maker games using Fullscreen++, such as Waste Walkers.

• Fixed games running below the refresh rate on 240 Hz and higher displays.

• Fixed Steam Remote Play showing a green screen on NVIDIA GPUs.

• Fixed left click getting stuck after a two-finger tap on the touchscreen.

• Fixed SDR content looking oversaturated on HDR10 output on displays that are not wide gamut.

• Fixed gamemode and other LD_PRELOAD libraries breaking when launched through gamescope.

• Fixed several rare crashes and memory errors on shutdown and when clients exit.

Desktop Mode

• Fixed a regression where scripts couldn't be added using "Add to Steam"

General

• Updated Arch Linux base

• Updated Desktop Mode from Plasma 6.4.3 to Plasma 6.7.3

  • For more information, see
    https://kde.org/announcements/plasma/6/6.7.0/
    https://kde.org/announcements/plasma/6/6.6.0/
    https://kde.org/announcements/plasma/6/6.5.0/

• Improved support for Steam Frame wireless adapter

• Fixed a bug causing hidden WiFi networks to fail to connect on the first attempt

• Fixed Steam Remote Play not working on Steam Machine when booting with no external display connected

• Fixed "Disable Frame Limiter" toggle not working when VRR is enabled

• Fixed the frame limiter incorrectly applying to VR titles when streaming from Steam Machine to Steam Frame

• Fixed loss of input if a launcher window is accidentally dragged around in Game Mode

• Fixed an issue causing frame limits to result in lower than intended FPS on certain external displays

• Fixed issues with suspend/resume on systems with RDNA1 or RDNA2 based dedicated GPUs

• Fixed audio issues on hotplug of certain monitors in a multi-monitor setup

• Fixed an issue causing firmware updates to occasionally fail to apply on Steam Machine

• Fixed a system crash when launching Forza Horizon 6 on Legion Go 2

• Added preliminary support for Legion Go 2 brightness control

• Fixed an issue causing certain games (incl. ELDEN RING and DARK SOULS™ III) to fail to run on recent Panther Lake Intel CPUs

• Fixed performance issues in STAR WARS: Galactic Racer on resume from suspend on Steam Machine

• Fixed an issue that could lead to GPU errors in The Crew Motorfest

• Worked around a firmware issue on some ASUS devices causing excessive fan speed upon waking from sleep

• Fixed boot screen corruption on Intel PTL+ devices

• Fixed a bug wherein changing the timezone could prevent switching to Desktop Mode until a reboot

• Improved idle power consumption on Steam Deck when no audio is playing

• Security and stability updates

Misc

• Updated the bootloader to improve compatibility with certain motherboards

• The Desktop Mode lockscreen is no longer prevented from being explicitly enabled in settings (but remains off by default)

• Fixed logging in to Desktop Mode via RDP with system users when enabled

Developer

• Switched WiFi backend to wpa_supplicant by default, improving compatibility with various WiFi networks

  • Enhanced wpa_supplicant to support fast WiFi reconnect on resume from sleep, previously only available in the iwd backend

• Linux kernel rebased on Linux 7.2

• Added preliminary support for hibernation, not yet exposed in Game Mode UI

  • Enhanced Linux kernel hibernation support to enable interrupting hibernate requests and fixed various driver issues

  • Not yet enabled on Steam Deck due to an outstanding driver bug

• Various scripts and packages have been renamed from `steamos-` to `holo-`, with aliases to the former names where appropriate

• Improved support for running SteamOS as a VM guest with accelerated graphics (virtio-gpu, venus)

• Updated included renderdoc version

• Reintroduced support for Android binder IPC

我们刚刚于稳定通道推出了 Steam 客户端更新。

Steam 成就集合

一种整理、跟踪和完成游戏成就的全新方式。 阅读公告了解更多详情。

• 游戏现在可以对基础游戏和 DLC 内容的成就进行整理和分组。

• 现在可以通过成就集合添加 DLC 成就，而不会影响游戏进度。

• 已完成的成就集合在添加新成就集合时仍会保持已完成状态。

• 如果成就和成就集合是季节性的或已无法再达成，则可以将其归档。

• 更新了成就页面和成就概要的显示。

通用

• 现在，“硬件兼容性”对话框会显示用户在 Steam Deck 上玩某款游戏时的平均帧率。您可在此处了解关于此次更新的更多信息。

• 好友的游戏邀请现在在聊天选项卡的文本输入框上方设有专属小部件，无需再前往聊天记录窗口查找具体消息。群组中好友发出的单独邀请也会直接显示在群聊窗口中，无需再切换到该好友的私聊选项卡去接受。

• 更新了聊天选项卡的样式，以便更加清晰地呈现焦点状态。

• 改进了群组聊天布局，并修复了手柄导航可能卡住的区域。

• 好友的聊天消息通知现在将被合并显示，而不是每条消息都弹出一个 2 秒钟的通知。

• 在大屏幕模式的好友上下文菜单中加入了单独调节好友语音聊天音量的功能。

• 提升了快捷访问菜单的响应速度。

• 为夏令时有变动的地区（如不列颠哥伦比亚省、阿尔伯塔省、曼尼托巴省等）添加了时区选择条目。

• 启用高对比度模式后，主页将显示背景艺术作品。

• 修复了导致各好友专属的通知设置被忽略的问题。

• 更改了通知设置布局，使其在所有窗口尺寸下都更易于操作。

• 各好友专属的通知设置现在在所有情况下都能正确覆盖全局通知设置。

• 继正式版客户端发布上一轮 Steam 启动性能优化后，又推出了第二轮优化。

• 语音聊天中好友的输出音量设置现在将在 Steam 会话之间保留，而不是在重启时重置。

• 现在 Steam 桌面客户端也会显示提示，鼓励用户加入提供匿名帧率数据。

• 多项常规稳定性改进，并修复了影响极少数用户的罕见崩溃问题。

• 添加了一种变通方案，用于解决更新偶尔卡在 99% 的问题。

• 修复了 Steam 服务错误对话框在您快速退出/重启 Steam 时会不正确地显示的几处情况。

• 修复了可能导致游戏流式传输和控制器代码中出现内存泄漏的多个边缘情况。

• 修复了不列颠哥伦比亚省用户日期显示错误的问题。

• 修复了 Steam 云同步会在部分游戏（如 Monster Hunter World）中错误显示冲突的一个问题。

• 修复了“卸载失败”对话框无法显示的问题。

• 修复了在应用固件升级后，固件升级仍有几秒显示为可用的问题。

• 修复了在启动时登录失败后，好友列表卡住，需要切换到离线模式再切回才可以重新加载的问题。

• 修复了当有数个好友在 10 秒内加入游戏时，不显示“好友加入游戏”通知的问题。

• 修复了导致“好友加入游戏时”和“好友上线时”的通知音效忽略“显示弹出通知…”和“在显示弹出通知时播放音效”设置的问题。

• 修复了 Steam Frame 专属的原生内容在 Windows 上显示为可安装的问题。

• 修复了语音聊天上下文菜单中音量滑块的布局问题。

• 修复了 Steam 窗口可能会短暂闪烁黑屏的多种情况。

库

• 改进了动态推送通知的离线支持，并修复了之前可能会跳过加载某些活动的问题。

商店

• 更新了搜索建议和文本搜索的算法。

远程畅玩

• 新增了“显示样式”设置，允许在流式传输画面与客户端显示器的宽高比不同时进行拉伸和缩放。

• 对 HDR 支持进行了大幅翻新：

  • 添加了 HDR 高级客户端设置，提供“自动”（在启用 HDR 内容时自动启用）、“开启”（始终开启，可提升 SDR 内容的亮度）及“关闭”的选项；

  • 向流式传输叠加界面中添加了亮度滑块；

  • 现在，除了支持在游戏中和 Windows 桌面上启用 HDR 外，在桌面版 Linux 上使用 PipeWire 以及从 macOS 进行流式传输时，也支持 HDR 捕获；

  • 在 Steam Deck OLED 上重新启用了 HDR；

  • 在运行 Android 15 及更高版本的 Android 手机上使用 Steam 流式应用测试版（https://play.google.com/apps/testing/com.valvesoftware.steamlink）时，会启用 HDR。

• 连接到本地计算机时，流式传输启动速度更快。

• 修复了 Steam Controller 上的 … 键未能传递到远程端的问题。

Steam 输入

• 添加了对 GameInput v4 的支持。

• 修复了 EA SPORTS College Football 27 在游戏启动时未能应用游戏配置的问题。

• 修复了“陀螺仪转摇杆视角”和“陀螺仪转摇杆偏移”模式中的“摇杆输出曲线”设置。之前未应用此设置。如果在过去更改过此设置，您可能会注意到控制器响应有所变化。如果有必要，请在进一步调试前先重置此设置。

• 修复了“侦听绑定”模式可能将多个行为绑定至十字键输入的问题。

Linux

• Steam 客户端现在是 64 位应用程序。

• Steam 客户端现在在 Steam 运行时容器内运行。

  • 这将有助于 Steam 客户端在多种发行版中提供更一致的体验。这与 Steam 游戏所使用的技术相同。

• 重新设计了 Steam 更新程序的 UI 外观。

• 修复了某些用户无法显示 Steam 更新程序 UI 的问题。

• 修复了从挂起状态恢复时发生崩溃的问题。

• 修复了一个在使用 ISteamNetworking 接口的游戏（如 Sons Of The Forest）中创建大厅时，会导致崩溃的问题。

Steam Controller 固件

• 修复了在控制器连接至传充头时将其关闭可能导致其重新开机的问题。

• 降低了摇杆触碰的灵敏度，以减少过早检测到触碰的可能性。

我们刚刚于预览/测试通道推出了 Steam 客户端更新。

通用

• 修复了 Steam 窗口可能会短暂闪烁黑屏的多种情况。

Steam 成就集合

• 现在在库中将成就按完成百分比排序时，会显示已完成的成就集合。

• 修复了成就总数未计入部分已解锁的成就的问题。

• 修复了成就页面的稀有程度阈值问题。

• “开始游戏”栏中的成就按钮现在会打开成就面板。

Steam Controller 固件

• 降低了摇杆触碰的灵敏度，以减少过早检测到触碰的可能性。

我们刚刚于预览/测试通道推出了 Steam 客户端更新。

通用

• 修复了当有数个好友在 10 秒内加入游戏时，不显示“好友加入游戏”通知的问题。

• 修复了导致“好友加入游戏时”和“好友上线时”的通知音效忽略“显示弹出通知…”和“在显示弹出通知时播放音效”设置的问题。

• 各好友专属的通知设置现在在所有情况下都能正确覆盖全局通知设置。

• 提升了快捷访问菜单的响应速度。

• 修复了导致各好友专属的通知设置被忽略的问题。

桌面模式

• 重新设计了 Steam 更新程序的 UI 外观。