Unable to answer "Is drinking water available here? If so, what is its source?" – Drinking Water – osm.org/node/3880074601 via StreetComplete 59.2:

There is a tap here however it is not intended for drinking water

Attached photo(s):
https://streetcomplete.app/p/284739.jpg

Unable to answer "Is this still here?" – Doughboy (Pizza Fast Food) – osm.org/node/8855865533 via StreetComplete 59.2:

This shop is now 'Pizza Cutters'

Artarmon post office has permanently closed

via StreetComplete 59.2

Unable to answer "On which level number is this place located?" – ABC Dental (Dentist) – osm.org/node/5776398153 via StreetComplete 59.2:

This dentist is now 'NIB Dental Centre'

Unable to answer "On which level number is this place located?" – on floor 2: Rose & Co (Florist) – osm.org/node/4460994247 via StreetComplete 59.2:

This florist is now called 'Sweet Lily Co Floral Design'

This is a detached unnumbered 'granny flat' on the property of 109 Archer street

via StreetComplete 59.2

Unable to answer "What’s the name of this place?" – Coffeehouse – osm.org/node/8034853985 via StreetComplete 59.2:

This centre is being redeveloped and there is currently nothing in this space

Unable to answer "This shop has been vacant. What’s here now?" – on level 0 – osm.org/node/6571975185 via StreetComplete 59.2:

Seems to be part of LoSurdos grocer

Unable to answer "This shop has been vacant. What’s here now?" – on level 1 – osm.org/node/5289087522 via StreetComplete 59.2:

This centre is being redeveloped and there is currently nothing in this space

Unable to answer "Is this still here?" – on level 3: JB Hi-Fi (Electronics Store) – osm.org/node/5729354130 via StreetComplete 59.2:

This centre is being redeveloped and there is currently nothing here