Play with replacing the untagged dot?

[bhollis]

The bare dot in compare for "untagged" is a bit hard to decipher unless you know it. Here's a stab at indicating that things are taggable.

[nev-r]

i think this looks sharp and nice. much more self evident. i do kind of think it's overkill right next to the words "Tag item"? hate to be onerous but what if it was the dot, just specifically in the expanded sidecar here:

[nev-r]

eh. maybe that doesn't matter. i just think it contributes to visual busyness when it's not its own button, alone. spacing is weird in that location though.

[luislobo]

I like that new "untagged" icon. It's self explanatory