Build 26220.8165: Windows Insider Beta Channel, April 2026. FAT32 formatting limit rises and Feedback Hub gets a redesign

Beta Channel Insiders get a higher command-line FAT32 formatting limit, a redesigned Feedback Hub, and clearer Secure Boot certificate status. The build also fixes inflated Data Usage figures.

Does it affect you? Applies to: Devices enrolled in the Windows Insider Program in the Beta Channel, running Windows 11 version 25H2. The listed changes are gradually rolling out to Insiders who have turned on the latest-updates toggle.

This is a test build for people in the Windows Insider Program. Features in it can change, be removed, or never reach regular Windows releases.

What changes

Improvements 8 changes

Storage

Gradual rollout 3 items

For: Insiders with the latest-updates toggle on

The command-line formatting limit for FAT32 volumes increases from 32 GB to 2 TB.¹
Opening storage details for large volumes in Settings is faster.²
Applies to Settings > System > Storage > Advanced Storage Settings > Disks & Volumes.
The Storage page no longer prompts for administrator approval as soon as you open it; the prompt appears when you view temporary files.³
The UAC prompt appears when opening temporary files under Settings > System > Storage.

Windows Security app

Gradual rollout

For: Insiders with the latest-updates toggle on; consumer devices and some business PCs

The Device security page shows colored badges and text that indicate Secure Boot and certificate status.⁴
This experience is disabled by default on enterprise IT-managed devices and servers. The rollout covers consumer devices and some business PCs.

Feedback Hub

Gradual rollout 4 items

For: Beta Channel Insiders with the latest-updates toggle on

Submitting feedback uses one template, with category search and an updated form.⁵
My Feedback now appears directly in the navigation pane.⁶
Community feedback, formerly called All feedback, makes it easier to find and engage with other people's feedback.⁶
Screenshot capture and review tools make it easier to add visuals to feedback.⁷
Click a screenshot to highlight, hide, or crop parts of it.

New features 4 changes

Feedback Hub

Gradual rollout 4 items

For: Beta Channel Insiders with the latest-updates toggle on

A refreshed Feedback Hub app is available to Beta Channel Insiders.⁸
The app update brings a modernized Feedback Hub experience.
You can submit a compliment to call out what is working well.⁹
You can choose whether your feedback is visible to the Insider community.¹⁰
A smaller, focused feedback view makes it easier to send feedback quickly; you can expand it to the full app.¹¹

Fix 1 change

Network

Gradual rollout

For: Insiders with the latest-updates toggle on

Data Usage no longer shows large, unrealistic values.¹²
Applies to Settings > Network & Internet > Data Usage.

Removal 1 change

Feedback Hub

Gradual rollout

For: Beta Channel Insiders with the latest-updates toggle on

The Announcements page is removed. Announcements remain available on the Windows Insider Blog.¹³

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released: 2026-04-10
Type: Windows Insider build

Version	Build	Channel
—	26220.8165	Beta Channel

Security

No vulnerabilities are listed for this update.

Sources

Windows Insider Blog

Updated Oct 26, 2026

Cited passages from Microsoft's official notes (13)

1. We’re increasing the size limit for formatting FAT32 volumes via the command line from 32GB to 2TB. blogs.windows.com
2. Improved the performance when navigating to see storage on large volumes via Settings > System > Storage > Advanced Storage Settings > Disks & Volumes. blogs.windows.com
3. Updated Settings > System > Storage, so rather than seeing a UAC prompt immediately when you go to the page, you’ll only see it when going to view temporary files. blogs.windows.com
4. which shows green, yellow, and red icon badges as well as new text that reflects your device’s Secure Boot state and certificate status. blogs.windows.com
5. Feedback is now submitted using a single unified template, with the added ability to search categories. blogs.windows.com
6. My Feedback now lives directly in the navigation pane, and Community feedback (formerly All feedback) makes it easier to discover and engage with feedback from others. blogs.windows.com
7. Improved screenshot capture and review tooling: Making it easier to capture and include visuals when sharing feedback. blogs.windows.com
8. The new Feedback Hub, bringing a refreshed, modernized experience, is also now available as an app update today for Insiders in Beta. blogs.windows.com
9. New compliment feedback type: Call out what’s working well. blogs.windows.com
10. Private or public feedback: Choose whether your feedback is visible to the Insider community. blogs.windows.com
11. A new smaller Feedback Hub surface, making it easier to provide quick, in-the-moment feedback. blogs.windows.com
12. Fixed issue causing Settings > Network & Internet > Data Usage to show large unrealistic values in recent Insider builds. blogs.windows.com
13. The Announcements page has been removed to focus more on giving and exploring feedback. blogs.windows.com

Checked automatically: 8 of 8 checks passed, 13 quoted passages

Quotes found in the official pages: passed
Numbers found in the sources: passed
Vulnerabilities from the dossier only: passed
Links to allowed domains only: passed
Every official change covered: passed
Readable plain text: passed
Changes confirmed by the file list: passed
Sources agree: passed

A second AI read the text against the sources: correctness 5/5, clarity 5/5, completeness 5/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake