Consider adding these synonyms:
IMO, the overwhelming majority of those who seeks
pyqt questions is actually using/interested in
If you agree, please add these synonyms, as I don't have this right.
What happens when qt5 comes out? The version 4 tags will probably get outdated soon as qt5 grows in popularity, and most qt/pyqt questions will probably refer to version 5.
And so on, for every version, and every version specific tag.