Qt 6.9 Known Issues: Difference between revisions
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==macOS== | ==macOS== | ||
* The Qt Widgets and Quick macOS styles may exhibit drawing artefacts when running with the new Liquid Glass style in macOS 26 Tahoe. To run the application in compatibility mode with Liquid Glass disabled either use Xcode 15 to build the application, or set the [https://developer.apple.com/documentation/bundleresources/information-property-list/uidesignrequirescompatibility UIDesignRequiresCompatibility] key in the application's <code>Info.plist</code> to <code>YES</code>. | |||
==Windows== | ==Windows== | ||
Latest revision as of 09:20, 27 August 2025
- Check that your system meets Qt's requirements
- All open issues can be found from Jira
- RTA findings here
- Supported development platforms are listed here
All platforms
- The qtprotobufgen and qtgrpcgen source code is not compatible with protobuf versions v30.0 or newer, because of API changes in libprotoc. (see QTBUG-134885)
- Http requests with http/2 will sometimes error out and fail with "HPACK decompression failed" (see QTBUG-135800)
Linux
- When using GNOME Wayland 46.0, Qt Designer's main window may not show under certain circumstances. The issue should be resolved in GNOME Wayland 46.2 (see QTBUG-127920 ).
- For Linux arm64/aarch64, if system glibc < 2.38, can't use official binary from Qt Installer. Workaround is build from source. (see QTBUG-129421 ).
macOS
- The Qt Widgets and Quick macOS styles may exhibit drawing artefacts when running with the new Liquid Glass style in macOS 26 Tahoe. To run the application in compatibility mode with Liquid Glass disabled either use Xcode 15 to build the application, or set the UIDesignRequiresCompatibility key in the application's <code>Info.plist</code> to <code>YES</code>.
Windows
- Windows on ARM: Debuggers And Tools ARM64 redistributable package is not available from Qt online installer / Qt Creator. Debuggers And Tools can be installed e.g. with MSVC 2022 ARM64 installation (see QTBUG-129157).
- Windows on ARM: Qt3D module not included in prebuild binaries, see discussion in https://bugreports.qt.io/browse/QTBUG-125439
Android
- A bug in the Qt camera pipeline prevents image capture from proceeding when the platform camera sets the automatic exposure state to CONTROL_AE_STATE_FLASH_REQUIRED. This issue is resolved in version 6.9.2 (see [1]).
- Qt for Android known issues
iOS
WebAssembly
Embedded Linux
- Windows on ARM: Boot2Qt's USB networking support does not yet work on WoA. (QTBUG-117504)