Unable to answer "Is this still here?" – Bibliothèque publique et universitaire de Neuchâtel (Library) – node/6195632543 via StreetComplete 63.4:

It's still there, however, due to renovation until 2028, the library as been temporarly moved at city town ("St-Maurice 4"). Blog announcing it: https://www.bpun.ch/activites/actualite/projet-de-renovation-du-college-latin-et-de-nouvelle-bibliotheque

Unable to answer "What kind of artwork is this?" – Banc géant (Bench) – node/1787785795 via StreetComplete 63.4:

It's a giant bench. You can sit on it.

Attached photo(s):
https://streetcomplete.app/p/368872.jpg

Unable to answer "Is this still here?" – Auberg'inn (Hotel) – node/6373913208 via StreetComplete 63.1:

Yes, "Auberg'inn" is still here. But note that it's also named "Aux chambres du Banneret", and better known with that name. Their entrance (cf photo) writes the new name. There is only an "Auberg'inn" mention inside.

Chemin praticable pour piéton

via StreetComplete 59.3

GPS Trace: @RandomNEGuy/traces/11711348

Unable to answer "Is this still here?" – Clock – node/417796974 via StreetComplete 61.3:

I don't see any clocks there, but since I'm not sure, I'm leaving a note

Bench

via StreetComplete 61.1

Bench

via StreetComplete 61.1

Bench

via StreetComplete 61.1

Attached photo(s):
https://streetcomplete.app/p/296487.jpg

Unable to answer "What’s the surface here?" – Path – way/864581614 via StreetComplete 61.1:

This road doesn't exist

Foot Road

via StreetComplete 61.1

GPS Trace: @RandomNEGuy/traces/12031095