Windows 11’s light/dark mode glitch wasn’t Microsoft’s fault — blame PowerToys (here's why)

Microsoft PowerToys
(Image credit: Future)

Earlier this month, Microsoft released a new update for PowerToys, bumping it to version 0.95. The update shipped with a couple of new features and a host of improvements and fixes.

The most notable addition was the long-anticipated Light Switch feature, which lets Windows 11 users automatically switch between light and dark modes based on a schedule or when the sunrise and sunset times.

PowerToys 0.95.1: Fixes

Light Switch

  • #42434: Fixed bug where Light Switch was enabled by default
  • #42434: Fixed bug where Manual time schedule was being overridden by sunset calculations
  • #42434: Renamed "Manual" mode to "Fixed Hours" for clarity
  • #42434: Created a new "Off" mode that disables the schedule but still allows the shortcut to be used
  • #42434: Fixed a bug which allowed the taskbar to be the accent color in light mode (this should only be allowed in dark mode)
  • #42774: Fixed a bug where light/dark times where not updating when switch between modes (Specifically manual back to Sunset to Sunrise mode).

CmdPal

  • #42467: Fixed crashes on pages using filters (e.g., Windows Terminal profiles, Windows Services) when built with trimming or AOT by removing runtime bindings from the FiltersDropDown control.
  • #42405: Fixed an issue where window style changes (such as WS_EX_TOOLWINDOW) were not properly applied by ensuring cached window data is refreshed.

Find my mouse

  • #42774: Fixed bug that would cause the window to lose focus
  • #42774: Fixed bug that would cause the mouse to go busy (hourglass)

Installer

  • #41975: Removed WiX v3 infrastructure and migrate exclusively to WiX v5, cutting build times.

Bug report

  • #42399: Improvements to the bug report system

This news comes as Microsoft doubles down on its efforts to deliver a more consistent and intuitive dark mode user experience in Windows 11, promising a major upgrade across the File Explorer, Run prompt window, and more.

FAQ

What happened with Windows 11’s light/dark mode?

Some users reported their PCs were unexpectedly switching between light and dark themes without input.

What caused the bug?

The issue was traced back to PowerToys, Microsoft’s open‑source utility suite. A bug in its code triggered the theme changes.

Has it been fixed?

Yes. Updates to PowerToys have addressed the bug, and users are encouraged to install the latest version.

What should users do if they still see the issue?

Update PowerToys to the latest release, or temporarily disable it until patched.

Why does this matter?

It highlights how third‑party utilities, even official ones like PowerToys, can impact user experience — and why transparency in communication is key when bugs surface.

PowerToys | Free at GitHub | Free at Microsoft Store

PowerToys | Free at GitHub | Free at Microsoft Store

This collection of utilities includes a large library of features to enhance the Windows experience. PowerToys is designed with power users in mind, but it has handy features for people who just use their PC for everyday computing too.


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Kevin Okemwa
Contributor

Kevin Okemwa is a seasoned tech journalist based in Nairobi, Kenya with lots of experience covering the latest trends and developments in the industry at Windows Central. With a passion for innovation and a keen eye for detail, he has written for leading publications such as OnMSFT, MakeUseOf, and Windows Report, providing insightful analysis and breaking news on everything revolving around the Microsoft ecosystem. While AFK and not busy following the ever-emerging trends in tech, you can find him exploring the world or listening to music.

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