Unable to answer "Is this still here?" – Ticket Validator – https://osm.org/node/7318159733 via StreetComplete 57.3:

Ticket vending machine

Unable to answer "What’s the surface here?" for https://osm.org/way/30984373 via StreetComplete 55.1:

Chemin bouché

Unable to answer "What kind of building is this?" for https://osm.org/way/230150790 via StreetComplete 56.0:

Looks like a roof over the underground passage

Unable to answer "Are these opening hours still correct?" for https://osm.org/node/3218761306 via StreetComplete 56.0:

Za cosmetics

Road closed due to construction, highway not accessible

via StreetComplete 55.0

"Closed"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2022-02-04T10:02:57Z
POI name: Pfifferling
POI types: wheelchair-no cuisine-international amenity-restaurant
#organicmaps

"Closed"
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: Pizzeria Mars
POI types: amenity-fast_food
OSM data version: 2018-07-05T18:22:02Z
#mapsme

"Doppelt "
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: Klein
POI types: wheelchair-no tourism-hotel
OSM data version: 2018-07-05T18:22:02Z
#mapsme

The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground. User comments: "closed a few months ago" (OSM data version: 2017-02-15T16:20:03Z) #mapsme