If I'm viewing index.php?title=A&action=history, I expect that those variant links are index.php?title=A&action=history&variant=xx-aa, index.php?title=A&action=history&variant=xx-bb, but they are index.php?title=A&variant=xx-aa, index.php?title=A&variant=xx-bb now. &action=history is missing.
Version: 1.17.x
Severity: enhancement