KB5083726


Microsoft has released cumulative update KB5083726 for Windows 11, version 25H2 for insiders on the Dev Channel – Windows 11 Insider Preview Quality Update (26300.8276). New updates for Windows 11 have appeared on the Dev Channel of the Windows Insider Program.

Windows 11 Insider Preview Build 26300.8276 (KB5083726) has been released. Users on this channel will now receive Windows 11, version 25H2 updates, which are available via the enablement package KB5073032 (Build 26300.xxx).

Installation via Windows Update: go to Settings > Windows Update and click Check for updates. A computer restart is required to complete the installation.

Features and capabilities included in Dev Channel builds may never appear in the final release, as Microsoft actively tests different concepts and gathers feedback. Features may change, be removed, or be replaced and may not leave the Windows Insider Program. Some of them may appear in future versions of Windows when fully ready.

Some pre-tested features may not be fully localized in all languages. Localization will gradually improve as feature development completes.

If you notice translation issues in your language, report them via the Feedback Hub.

Also, some accessibility features may temporarily not work with pre-tested features such as Recall and Click to Do. Since Dev and Beta channels represent parallel development paths, there are cases where some features and capabilities appear first in the Beta channel.

Feature / Change Performance Increase or Decrease Optimization PC Speed Gaming Optimization
Settings. Changing location logic ⚪ No impact 🟢 High (reduces unnecessary location processing when disabled) ⚪ No impact ⚪ No impact
Settings. Improved navigation reliability ⚪ No impact 🟡 Medium (less UI freezes in Settings) 🟡 Low (faster navigation to Installed apps) ⚪ No impact
File Explorer. Icon position update ⚪ No impact 🟡 Low (consistent rendering) ⚪ No impact ⚪ No impact
File Explorer. Overall reliability improvement 🟢 Medium (fewer crashes and hangs) 🟢 Medium 🟡 Medium (smoother file operations) ⚪ No impact
File Explorer. Enhanced navigation pane experience ⚪ No impact 🟡 Low (accessibility optimization) ⚪ No impact ⚪ No impact
Windows Hello. Improved fingerprint sign-in reliability 🟢 High (faster wake-to-sign-in) 🟢 Medium (more reliable biometric calls) 🟡 Medium (less delay after sleep) ⚪ No impact
Input. Faster clipboard history opening 🟢 Medium (quicker UI response) 🟢 Low (reduced input latency) 🟡 Low (snappier clipboard access) ⚪ No impact
Fonts. Leelawadee UI family improvements ⚪ No impact 🟡 Low (improved text rendering) ⚪ No impact ⚪ No impact

Find and Change Settings

Setting Where to find How to change
Location settings logic Settings > Privacy & security > Location When Location Services are turned off, options such as Default location and Allow location override are unavailable and appear grayed out. To make these options active, enable Location Services by toggling the switch to On.
Installed apps navigation Settings > Apps > Installed apps Open Settings and go to Apps, then select Installed apps to view the list. Navigation to this page has been made more reliable; no additional configuration is required.
File Explorer search box icon position File Explorer > Search box The search box icon positions have been updated automatically. Open File Explorer to see the consistent icon placement across different PCs.
File Explorer reliability File Explorer Overall reliability has been improved automatically. No manual change is needed.
Navigation pane for Voice Access File Explorer > Navigation pane Enhanced navigation pane experience is available automatically for Voice Access users. Use Voice Access commands to navigate the pane.
Windows Hello fingerprint sign-in Settings > Accounts > Sign-in options > Windows Hello Fingerprint Improved reliability and performance after waking from sleep. To change fingerprint settings, go to Settings > Accounts > Sign-in options and manage Windows Hello Fingerprint enrollment or removal.
Clipboard history opening speed Settings > System > Clipboard Faster opening has been applied automatically. To enable or disable clipboard history, go to Settings > System > Clipboard and toggle Clipboard history on or off.
Leelawadee UI font family Settings > Personalization > Fonts Improvements to Leelawadee UI for Thai, Lao, Khmer, and Lontara script are applied automatically. To view or manage fonts, open Settings > Personalization > Fonts.

Official announcement on the Microsoft website.

The last 10 Windows updates:

Update Build Version Windows Channel Date
KB5121157 28020.2818 26H1 Windows 11 Beta 2026-08-31
KB5121158 28120.2824 26H1 Windows 11 Experimental 2026-08-31
KB5121794 26300.9278 26H2 Windows 11 Preview 2026-08-27
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