KB5077232


Microsoft released update KB5077232 for Windows Insider Program participants on the Dev channel. Windows 11 Insider Preview Build 26300.7877 (KB5077232) refers to Windows 11 version 25H2. The update is delivered via the enabling package KB5073032 (build 26300.xxx) and includes many improvements to the interface, system settings, and built-in applications.

To install this update, go to Settings → Windows Update and click Check for updates. A computer restart is required to complete the installation.

Feature / Change Performance Increase / Decrease Optimization PC Speed Gaming Optimization
Context menu icon for .exe, .bat, .cmd ⚪ No impact 🟡 Minor (UI consistency) ⚪ No measurable change ⚪ No impact
Device info card (Settings) ⚪ No impact 🟡 Minor (navigation flow) ⚪ No measurable change ⚪ No impact
About system section (Settings) ⚪ No impact 🟡 Minor (data organization) ⚪ No measurable change ⚪ No impact
Taskbar hover animation 🟢 +1–3% smoother UI rendering 🟢 Minor GPU/compositor optimization 🟡 Negligible (~0.1% faster perceived) ⚪ No impact
System tray icon reliability 🟢 Slight reduction in explorer.exe crashes 🟢 Improved background process stability 🟡 Marginal (less UI freezes) ⚪ No impact
File Explorer unexpected switching fix 🟢 Reduces unwanted tab reloads 🟢 Better window management 🟡 Minor (no more disruptive jumps) ⚪ No impact
Nearby sharing large file reliability 🟢 Faster/more stable transfer speed 🟢 Lower packet loss, fewer retries 🟡 Minor (less CPU/network wait) ⚪ No impact
Paint Freeform Rotate ⚪ No impact (app-level) 🟡 Minor (editing workflow) ⚪ No measurable change ⚪ No impact

Official announcement on the Microsoft website.

The last 10 Windows updates:

Update Build Version Windows Channel Date
KB5126657 19045.7807 22H2 (ESU) Windows 10 Stable 2026-10-13
KB5126653 22631.7652 23H2 Windows 11 Stable 2026-10-13
KB5127646 28000.3231 26H1 Windows 11 Stable 2026-10-13
KB5127648 26300.9711 26H2 Windows 11 Stable 2026-10-13
KB5127757 28120.3181 26H1 Windows 11 Experimental 2026-10-07
KB5127758 26220.9606 25H2 Windows 11 Beta 2026-10-07
KB5127754 28020.3172 26H1 Windows 11 Beta 2026-10-07
KB5127753 26340.9616 26H2 Windows 11 Experimental 2026-10-07
KB5124192 28120.3151 26H1 Windows 11 Experimental 2026-10-02
KB5124196 28020.3142 26H1 Windows 11 Beta 2026-10-02