Yes, it is fixed on the Cloud version but on the desktop it is going to take another major update. ProjectLibre is built on Java Swing, which does not scale automatically on high-DPI displays (like 4K monitors) unless extra scaling support is manually implemented. The result:
Tiny fonts, icons, and UI elements that are nearly unreadable
No built-in scaling or magnification in ProjectLibre itself
✅ Workarounds You Can Try
1. Force DPI scaling using Java flags
If you’re running on Windows or macOS, you can launch ProjectLibre with high-DPI overrides:
Windows (using a .bat file to launch):
bat
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java -Dsun.java2d.uiScale=2.0 -jar projectlibre.jar
(Replace 2.0 with your preferred scale, e.g. 1.5, 1.75.)
macOS:
If you’re launching via the .app, you’d need to modify the Java command in the app bundle’s Info.plist or run.sh to add:
bash
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-Dsun.java2d.uiScale=2.0
⚠ Note: On macOS, this can be a bit tricky because the .app wraps the JVM. If you want step-by-step help editing the .app launch script, I can guide you through it.
2. Lower screen resolution temporarily
On a 4K monitor, you can temporarily reduce the screen resolution (e.g. to 1920×1080) when using ProjectLibre. This is not ideal, but it makes the UI usable.
3. Use compatibility settings (Windows)
Right-click ProjectLibre.exe or its shortcut → Properties → Compatibility → Change high DPI settings
Check Override high DPI scaling behavior and set it to System (Enhanced).
📌 Status and Future Fixes
The ProjectLibre team is aware of HiDPI issues. But because the desktop version is still Java Swing-based, there’s no simple fix …. a significant update.
ProjectLibre Cloud, the SaaS version, works in the browser and does scale properly on 4K monitors. If you’re open to switching, you’ll likely have a much better experience.