- photos not in any albums (Since most of my photos belong in an album, and its impossible to find the album less photos currently)
- faces google hasn't recognized yet
- photos with no geotags
- photos with no dates
And then of course a way to edit metadata.
Esp. the first one is often requested.
Please use also the feedback tool to send these suggestions directly to the photos team.
It is more effectifely than to post it here.