QScintilla Qt Designer plugins fail to load

Description:

The Qt Designer plugins for QScintilla 5/6 (libqscintillaplugin.so) fail to load due to undefined symbols.

Rebuilding the packages fixes the problem.

Additional info:

qscintilla-2.14.1-2

Steps to reproduce:

Open Qt Designer and go to Help > About Plugins.

Or: run QT_DEBUG_PLUGINS=1 designer for more detailed information.