Qt 6.9 Known Issues
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- 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)
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
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
iOS
WebAssembly
Embedded Linux
- Windows on ARM: Boot2Qt's USB networking support does not yet work on WoA. (QTBUG-117504)