Windows 11 Insider Preview Build 28020.1495 is now available in the Canary Channel as KB5074168, and it’s mostly a maintenance drop with one visible personalization upgrade.
Quick answer: Build 28020.1495 (KB5074168) adds .webp support for desktop backgrounds and includes fixes for Start, Windows Update settings, shutdown behavior, and more.
What’s new in Build 28020.1495
The most user-facing change is wallpaper format support. Windows 11 now lets you choose .webp images as your desktop background from the Settings path Settings > Personalization > Desktop Background.
Fixes included in Build 28020.1495
This build ships with a small batch of general improvements aimed at day-to-day stability, plus several specific bug fixes that hit common surfaces.
- Start menu: A shutdown warning dialog could appear visually cut off when other users were still signed in; that layout issue is corrected.
- Input: Using a pen to ink inside Snipping Tool could trigger a brief black flash; that behavior is fixed.
- Power: Some devices could show shutdown acting like a restart; that issue is addressed.
- Settings: The Windows Update settings page could hang while loading; this is fixed.
- Settings (language): On Australia (English – Australia), optional language features could fail to download because the button did nothing; that’s fixed.
- Other: A small number of systems saw IRQL_NOT_LESS_OR_EQUAL bugchecks tied to certain smart card readers; this is fixed.
Known issues in Build 28020.1495
There are two notable known issues called out for this build.
- Desktop watermark: The watermark can display the wrong build number.
- File Explorer: Open File Explorer windows and tabs can sometimes jump unexpectedly to Desktop or Home.
Canary Channel constraints that matter before you install
Canary Channel builds are early platform builds and can be unstable, sometimes with limited documentation. Features in Canary aren’t tied to a specific Windows release and may change, be removed, or never ship outside the Insider program.
Another practical constraint is rollback. Moving off the Canary Channel requires a clean install of Windows 11. If you’re relying on your PC for work, that one detail tends to matter more than any single changelog bullet.
Build 28020.1495 is the kind of Canary release that’s easiest to appreciate when you’ve been tripping over the fixed bugs: shutdown oddities, a stuck Windows Update settings page, or flaky pen inking behavior. If you mostly live in personalization menus, the WebP wallpaper support is the headline.
