QMessageBox sizing
Unsolved
Qt for WebAssembly
Sadly, this is a known bug.
I thought there was already a bug report about it, but I could not find one, so I started a new one:
Freelance Software Engineer, Platform Maintainer QtWebAssembly, Maintainer QtSensors
Author, Hands-On Mobile and Embedded Development with Qt 5 http://bit.ly/HandsOnMobileEmbedded