在修复方面，本次更新彻底修复了文件管理器“白屏闪烁”漏洞。系统此前将资源管理器默认主页设置为“此电脑”时，用户每次新建窗口或标签页后，屏幕都会瞬间出现刺眼的白光。 为保护用户视力并优化视觉过渡，微软在该版本中直接根除了这一高频出现的“亮瞎眼”现象。同时，用户在调整资源管理器内部元素大小后，系统也消除了伴随产生的白色闪动。

IT之家 2 月 28 日消息，微软今天（2 月 28 日）发布博文，邀请 Windows Insider 项目成员，测试适用于 Windows 11 的新预览版，Beta 频道安装 KB5077242 后版本号升至 Build 26220.7934；Dev 频道安装 KB5077243 后版本号升至 Build 26300.7939。IT之家注：本次更新通过启用包（enablement-pack ...

IT之家2 月 28 日消息，微软今天（2 月 28 日）发布博文，邀请 Canary 频道的 Windows Insider 项目成员，测试适用于 Windows 11的 KB5077240 更新，用户安装后版本号升至 Build 28020.1673。 日常体验方面，微软在该预览版表情面板中，引入 Emoji 16.0 表情符号，并将小组件设置升级为全屏独立界面，方便用户更直观地定制信息流。

Windows 11’s February 2026 Insider update is live, and it brings a fresh round of new features and changes for testers.

Microsoft has just released another trio of Windows 11 preview builds for Insiders on the Canary, Dev, and Beta Channels with minor changes.

Microsoft rolls out Windows 11 Insider builds featuring a built-in network speed test, Emoji 16.0, shared audio controls, and stronger batch file security.

Microsoft releases Windows 11 Insider Build 26300.7965 (KB5079385) for Dev and Build 26220.7961 (KB5079382) for Beta with File Explorer fixes.

Windows 11 Canary Build 28020.1673 (KB5077240) adds a built-in taskbar network speed test, expanded File Explorer dark mode, ...

The February Windows update preview is extensive. It includes new Secure Boot certificates and app and settings backups.

Microsoft is rolling out new Windows 11 Insider Preview builds that improve security and performance during batch file or CMD ...