Missing libQt6QmlCore.so.6 in Linux PyQt6-Qt6 wheels
pyqt-user.folic415 at passinbox.com
pyqt-user.folic415 at passinbox.com
Wed Sep 16 12:26:48 BST 2026
Hi,
With PyQt6 6.9.0 and PyQt6-Qt6 6.9.0 on Linux, importing QtCore from QML
fails. The wheel includes qml/QtCore/
libqtqmlcoreplugin.so, which depends on libQt6QmlCore.so.6, but that
library is missing.
On my machine, the loader falls back to the system Qt 6.11 library,
producing:
libQt6Core.so.6: version 'Qt_6.11' not found
(required by /lib64/libQt6QmlCore.so.6)
Minimal example:
from PyQt6.QtCore import QCoreApplication, QUrl
from PyQt6.QtQml import QQmlEngine, QQmlComponent
app = QCoreApplication([])
engine = QQmlEngine()
component = QQmlComponent(engine)
component.setData(b"import QtCore\nCameraPermission {}", QUrl())
for error in component.errors():
print(error.toString())
Inspecting the Linux x86_64 wheel for Qt 6.10.2 shows the same omission.
Could QtQmlCore be missing from PyQt-
builder’s bundled library dependencies?
Thanks!
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