Wien 7: Add missing house numbers on Mariahilfer Straße (north side between Zieglergasse and Andreasgasse) (source: wien.at) and fix the tagging of the multipolygon for #88. (Hopefully the last missing house numbers in Wien 7.)

Wien 7: Add missing house numbers on Zieglergasse and fix existing ones (source: wien.at). (Note: #16 omitted on purpose, wien.at claims it was merged with #18.)

Wien 7: Add missing house numbers in Lindengasse and Andreasgasse and fix existing ones (source: wien.at). Also fix some building tags and shapes on Andreasgasse (source for shapes: wien.at MZK Flächen).

Wien 7 (Mariahilfer Straße): Fix postcode on north side between Kaiserstraße and Schottenfeldgasse (should be 1070, not 1060).

Wien 7: Add missing house numbers in the block Schottenfeldgasse-Apollogasse-Zieglergasse-Mariahilfer Straße and fix existing ones (source: wien.at).

Wien 7: Add missing house numbers in the block Schottenfeldgasse-Lindengasse-Zieglergasse-Apollogasse and fix existing ones (source: wien.at).

Wien 7: Add missing house numbers in the block Kaiserstraße-Apollogasse-Schottenfeldgasse-Mariahilfer Straße and fix existing ones (source: wien.at).

Wien 7: Add missing house numbers in the block Kaiserstraße-Apollogasse-Schottenfeldgasse-Stollgasse and fix existing ones (source: wien.at).

Wien 7: Add missing house numbers in the block Apollogasse-Kaiserstraße-Stollgasse and fix the positions of the existing ones.

Wien 9/19: Fix spelling of "Nußdorfer Straße U", the name "Nußdorf" does not use the reform spelling.

Wien Neue Donau: Remove natural=water tag from the outer polygon, such tags should be only on the multipolygon (which already has enough water tags).

Wien 7, Seidengasse 34: New restaurant Tag.Lang instead of former restaurant Rhodos.

Wien 9 (Oskar-Morgenstern-Platz): More accurate shape of the small green stripe around the 3 trees, based on on-site survey and wien.at.

Wien Untere Alte Donau: Remove natural=water tag from the outer polygon, it should be only on the multipolygon.

Wien Vienna International Centre: Fix multipolygon.

Wien tram 43: Repair segment on Dornbacher Straße.

Wien 9: Details Oskar-Morgenstern-Platz.

Wien 9 (Uni Wien Rossau / Oskar-Morgenstern-Platz 1): weelchair=yes as per http://rossau.univie.ac.at/das-projekt/ausstattung/

Wien 9 (Oskar-Morgenstern-Platz): Uni Wien Rossau (OMP 1) not under construction anymore, the building is complete, will be open for business as of coming Monday.

Wien 22, Alte Naufahrt: Add alt_name=Biberhaufenwasser, used e.g. by the fishery association. (The official name is Alte Naufahrt though: https://www.wien.gv.at/rk/msg/2007/0425/021.html )