Apparently the parties in Germany’s current governing coalition have agreed a package of reforms to the electoral system. The article is behind a paywall and thus I am unable to translate it. Someone on Twitter said it keeps the size of the Bundestag at 598 and “eliminates Überhangmandate.”
I am guessing this actually means that it would change the rule on how to compensate other parties when one party has won more total seats via nominal-district victories than its list vote in a state would entitle it to. It is those wins that over-represent a party that I understand as “overhang” seats, although sometimes the term refers instead to the additional seats used to compensate.
I hope someone has the details and can enlighten me.
UPDATE: See first comment. This is a big deal. I’d understand this proposal as Germany being prepared to abolish MMP. It is not a mixed-member system if it’s possible for a candidate with the most votes in a nominal district not to win the seat.