The glyphs for unicode characters such as "circled plus", "circled times", etc. are rendered quite small in Hack, making it difficult to tell which one is which at small font sizes. For instance, compare ⊗⊕⊛⊙ in the font playground.
Font version: the one that's live on the font playground at the time of posting
Where you obtained the fonts: the font playground, at time of posting
variant(s) of the Hack fonts that are affected: I only tried regular
jfont size at which the problem was observed: I found distinguishing these pretty rough at every size below 20pt
operating system and version: ubuntu
application where the issue was observed and version: chrome
screenshot images that visually demonstrate the problem: can provide if you're having trouble accessing the font playground
The glyphs for unicode characters such as "circled plus", "circled times", etc. are rendered quite small in Hack, making it difficult to tell which one is which at small font sizes. For instance, compare
⊗⊕⊛⊙
in the font playground.