This bug was fixed in the package qtwayland-opensource-src - 5.11.3-2
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qtwayland-opensource-src (5.11.3-2) unstable; urgency=medium
[ Simon Quigley ]
* Change my email to tsimo...@debian.org now that I am a Debian Developer.
* Bump Standards-version to 4.3.0, no changes neede
This dependency is in Qt5Gui_QWaylandEglPlatformIntegrationPlugin.cmake.
It is shipped in libqt5waylandcompositor5-dev, not in qtbase5-dev, so I
am reassigning this bug accordingly.
I have fixed it in this commit in our packaging Git:
https://salsa.debian.org/qt-kde-
team/qt/qtwayland/commit/05858