The Update BureauBuild 28020.2539: Windows Insider Beta Channel, July 2026. HID braille support and a Graphics settings crash fix
Adds HID braille display support and more Voice Access languages, and fixes a crash on the Graphics settings page.
Does it affect you? Applies to: Devices running this pre-release build in the Beta Channel (26H1); the listed changes are rolling out gradually.
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 4 changes
Narrator
For: Insiders using Narrator
Settings
For: Insiders using a gamepad
- The Bluetooth quick settings page can be navigated with a gamepad.3
System sounds
For: Insiders using dark mode
- System sounds are improved when Windows is in dark mode.4
New features 4 changes
Narrator
-
HID braille displays work over USB without extra setup. Compatible displays include Orbit Reader 20, Orbit Slate 340, Freedom Scientific Focus 40, and APH Mantis Q40.5
Narrator supports refreshable braille displays that use the HID standard.
- HID braille displays can connect wirelessly after pairing in Bluetooth settings.6
-
HID braille displays work over USB during the initial Windows setup, so deaf-blind users can set up a PC independently from the first screen.7
Support is available during OOBE.
Voice Access
For: Insiders using Voice Access in those languages
- Voice Access supports Portuguese (Portugal), Portuguese (Brazil), and Korean (South Korea).8
Fix 1 change
Settings
For: Insiders who open the Graphics page
- The Graphics page in Settings no longer crashes after the latest updates.9
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2026-07-20
- Type
- Windows Insider build
| Version | Build | Channel |
|---|---|---|
| — | 28020.2539 | Beta Channel |
Security
No vulnerabilities are listed for this update.
Sources
Cited passages from Microsoft's official notes (9)
-
1.
Braille displays now connect instantly with Narrator.
learn.microsoft.com -
2.
You can customize braille input and output options anytime in Settings > Accessibility > Narrator > Braille.
learn.microsoft.com -
3.
The Bluetooth quick settings page is now navigable using gamepad input.
learn.microsoft.com -
4.
Improved system sounds when using Windows in dark mode.
learn.microsoft.com -
5.
Narrator now supports displays that use the HID standard, an open industry standard for braille displays.
learn.microsoft.com -
6.
For Bluetooth, pair your HID braille display in Settings > Bluetooth & devices just like any other accessory, and you can work wirelessly without being tethered to your PC.
learn.microsoft.com -
7.
HID braille displays now work during the initial Windows setup experience (OOBE) over USB, meaning users who are deaf-blind can set up their PC independently right from the first screen.
learn.microsoft.com -
8.
Voice Access now supports Portuguese (Portugal), Portuguese (Brazil), and Korean (South Korea).
learn.microsoft.com -
9.
Fixed an issue causing the Graphics page in Settings to crash for Insiders after the latest updates.
learn.microsoft.com
Checked automatically: 8 of 8 checks passed, 9 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 4/5, 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