ImportError: cannot import QtWebEngineWidgets after Spyder upgrade – impact on user plugins
After a botched Spyder upgrade, the IDE may fail to start with an ImportError such as “cannot import name 'QtWebEngineWidgets' from PyQt5.QtWebEngineWidgets”. The documented recovery paths are launching Spyder with --reset (which restores default preferences and removes user‑specific plugins) or using --safe mode (which disables third‑party plugins while pre