Microsoft has released cumulative update KB5095132 (Build 26220.8764) for Windows 11 version 25H2, intended for insiders on the Beta channel. The main innovation of the build is the introduction of a unified update mechanism that synchronizes the installation of drivers, .NET platform, and firmware with the monthly quality update, so users will need only one reboot per month. Additionally, the developers expanded language support for voice access and improved the rendering of the Mongolian font, as well as fixed a bug where Outlook could stop responding to the close button.
- Unified update mechanism. A new approach is being introduced that reduces the number of reboots. Initially, driver, .NET platform, and firmware updates are synchronized with the monthly quality update — thus requiring only one reboot per month.
- Voice access. Voice access now supports Portuguese (Portugal), Portuguese (Brazil), and Korean (South Korea) languages.
- Fonts. Improved shaping and rendering of the Mongolian Baiti font for more accurate and uniform text output, enhancing the quality of Mongolian script rendering.
- Outlook bug fix. Fixed an issue from last week where Outlook was not responding to the close button.
To install update KB5095132 (Build 26220.8764), you need to go to the Settings menu, select the Windows Update section, and click the Check for updates button. A computer restart is required to complete the installation.
| Feature / Change | Performance Increase or Decrease | Optimization | PC Speed | Gaming Optimization |
|---|---|---|---|---|
| Unified update mechanism (single monthly reboot) | 🟢 Increase (~1-3% less background resource usage during patch alignment) | 🟢 High (Reduces update fragmentation and reboot overhead) | 🟢 Minor improvement (Less downtime, fewer system interruptions) | ⚪ No direct impact |
| Voice access language expansion (Portuguese, Korean) | ⚪ No impact | 🟡 Medium (Better input flexibility, reduces manual navigation CPU time) | ⚪ No impact | 🟢 Medium (Hands-free control improves multitasking during gaming sessions) |
| Mongolian Baiti font shaping and rendering fix | ⚪ No impact | 🟡 Low (GPU text rendering is more accurate, negligible performance delta) | ⚪ No impact | ⚪ No impact |
| Outlook close button responsiveness fix | 🟢 Minor increase (Eliminates UI thread hang, freeing up CPU cycles) | 🟢 High (Resource reclamation fix prevents background idle consumption) | 🟢 Minor improvement (Removes phantom processes slowing the system) | 🟢 Low (Prevents background resource drain in multi-tasking setups) |
Find and Change Settings
| Setting | Where to find | How to change |
|---|---|---|
| Unified Update Mechanism | Settings > Windows Update | This mechanism is applied automatically with the monthly quality update. No manual configuration is required. Driver, .NET platform, and firmware updates are now synchronized to require only one reboot per month instead of multiple reboots. |
| Voice Access Languages | Settings > Accessibility > Speech > Manage voices | To add Portuguese (Portugal), Portuguese (Brazil), or Korean (South Korea), open Settings > Accessibility > Speech > Manage voices and download the required language pack. After installation, enable Voice Access. To disable Voice Access, return to Settings > Accessibility > Speech and turn the feature off. |
| Mongolian Baiti Font Rendering | This is a system-level font improvement and does not have a dedicated settings page. | The improved shaping and rendering of the Mongolian Baiti font is applied automatically. No user action is required. The font will display more accurate and uniform Mongolian script output in compatible applications. |
| Outlook Close Button Fix | Settings > Windows Update | Install the latest cumulative update via Settings > Windows Update to resolve the issue where Outlook was not responding to the close button. No additional configuration changes are needed. |
Official announcement on the Microsoft website.
The last 10 Windows updates:
| Update | Build | Version | Windows | Channel | Date |
|---|---|---|---|---|---|
| KB5121132 | 28120.2760 | 26H1 | Windows 11 | Experimental | 2026-08-21 |
| KB5124040 | 26220.9223 | 25H2 | Windows 11 | Beta | 2026-08-21 |
| KB5124042 | 26340.9233 | 26H2 | Windows 11 | Experimental | 2026-08-21 |
| KB5121106 | 28020.2731 | 26H1 | Windows 11 | Beta | 2026-08-17 |
| KB5121109 | 28120.2738 | 26H1 | Windows 11 | Experimental | 2026-08-17 |
| KB5124036 | 26220.9202 | 25H2 | Windows 11 | Beta | 2026-08-17 |
| KB5124038 | 26340.9212 | 26H2 | Windows 11 | Experimental | 2026-08-17 |
| KB5120996 | 28000.2796 | 26H1 | Windows 11 | Preview | 2026-08-14 |
| KB5120998 | 26200.9267 | 25H2 | Windows 11 | Preview | 2026-08-14 |
| KB5120240 | 22631.7517 | 23H2 | Windows 11 | Stable | 2026-08-11 |