[PR #5559] [client] Fix blurry UI on high-DPI Windows displays #26140

New Issue

saavagebueno · 2026-08-05T07:06:56-04:00

saavagebueno commented

2026-08-05 07:06:56 -04:00

📋 Pull Request Information

Original PR: https://github.com/netbirdio/netbird/pull/5559
Author: @logue404
Created: 3/9/2026
Status: 🔄 Open

Base: main ← Head: main

📝 Commits (1)

4634f1d [client] Fix blurry UI on high-DPI Windows displays

📊 Changes

1 file changed (+12 additions, -6 deletions)

View changed files

📝 client/ui/manifest.xml (+12 -6)

📄 Description

Describe your changes

This PR fixes the blurry UI issue on high-DPI Windows displays (e.g., 4K monitors with 150%+ scaling).

Root Cause:
The Windows application manifest for the UI executable (netbird-ui.exe) was missing the dpiAwareness setting. Consequently, Windows applied DPI virtualization (bitmap stretching), causing the system tray menu and login windows to appear fuzzy.

Solution:

Updated the UI manifest (client/ui/manifest.xml) to explicitly enable PerMonitorV2 DPI awareness.
Verified that the service manifest (netbird.exe) remains unchanged, as the background service does not require high-DPI rendering.

This ensures sharp text and icons across all supported Windows versions without requiring code changes in the systray library or the main application logic.

Issue ticket number and link

Closes #5558

Stack

Checklist

Is it a bug fix
Is a typo/documentation fix
Is a feature enhancement
It is a refactor
Created tests that fail without the change (if possible)

Note: Automated testing for Windows manifest DPI behavior is difficult in standard CI pipelines. Manual verification was performed on Windows 10/11 with high-DPI settings.

By submitting this pull request, you confirm that you have read and agree to the terms of the Contributor License Agreement.

Documentation

Select exactly one:

I added/updated documentation for this change
Documentation is not needed for this change (explain why)

This is an internal configuration fix for the Windows executable build process. It does not change user-facing features, CLI commands, or configuration files that users edit manually. The behavior simply aligns with standard Windows application expectations (sharp UI).

Summary by CodeRabbit

Improvements
- Improved display scaling and DPI handling: the app now enables DPI-aware rendering and declares Per‑Monitor V2 DPI awareness, resulting in sharper, more consistent visuals across high-resolution and multi-monitor setups.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/netbirdio/netbird/pull/5559 **Author:** [@logue404](https://github.com/logue404) **Created:** 3/9/2026 **Status:** 🔄 Open **Base:** `main` ← **Head:** `main` --- ### 📝 Commits (1) - [`4634f1d`](https://github.com/netbirdio/netbird/commit/4634f1d69fe94f7b43cdc66494bd2cf094633635) [client] Fix blurry UI on high-DPI Windows displays ### 📊 Changes **1 file changed** (+12 additions, -6 deletions) <details> <summary>View changed files</summary> 📝 `client/ui/manifest.xml` (+12 -6) </details> ### 📄 Description ## Describe your changes This PR fixes the blurry UI issue on high-DPI Windows displays (e.g., 4K monitors with 150%+ scaling). **Root Cause:** The Windows application manifest for the UI executable (`netbird-ui.exe`) was missing the `dpiAwareness` setting. Consequently, Windows applied DPI virtualization (bitmap stretching), causing the system tray menu and login windows to appear fuzzy. **Solution:** - Updated the UI manifest (`client/ui/manifest.xml`) to explicitly enable `PerMonitorV2` DPI awareness. - Verified that the service manifest (`netbird.exe`) remains unchanged, as the background service does not require high-DPI rendering. This ensures sharp text and icons across all supported Windows versions without requiring code changes in the `systray` library or the main application logic. ## Issue ticket number and link Closes #5558 ## Stack  ### Checklist - [x] Is it a bug fix - [ ] Is a typo/documentation fix - [ ] Is a feature enhancement - [ ] It is a refactor - [ ] Created tests that fail without the change (if possible) > *Note: Automated testing for Windows manifest DPI behavior is difficult in standard CI pipelines. Manual verification was performed on Windows 10/11 with high-DPI settings.* > By submitting this pull request, you confirm that you have read and agree to the terms of the [Contributor License Agreement](https://github.com/netbirdio/netbird/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT.md). ## Documentation Select exactly one: - [ ] I added/updated documentation for this change - [x] Documentation is **not needed** for this change (explain why) > This is an internal configuration fix for the Windows executable build process. It does not change user-facing features, CLI commands, or configuration files that users edit manually. The behavior simply aligns with standard Windows application expectations (sharp UI).  ## Summary by CodeRabbit * **Improvements** * Improved display scaling and DPI handling: the app now enables DPI-aware rendering and declares Per‑Monitor V2 DPI awareness, resulting in sharper, more consistent visuals across high-resolution and multi-monitor setups.  --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

saavagebueno added the pull-request label 2026-08-05 07:06:56 -04:00

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Reference: DYNR/netbird#26140