In #3, the border-bottom approach was replaced by animating (the size of) a linear-gradient background-image. This change seems to hide contextual links, removing the gear-select background-image of contextual links (around line 102 of the commit).
I was able to fix the contextual links in a Snazzy sub-theme using the following CSS rules:
As of release 1.1.0, I don't see no more contextual links on my site, when Snazzy is the default theme. I guess, this is a side-effect of multiline support to link animation.
In #3, the border-bottom approach was replaced by animating (the size of) a linear-gradient background-image. This change seems to hide contextual links, removing the gear-select background-image of contextual links (around line 102 of the commit).
I was able to fix the contextual links in a Snazzy sub-theme using the following CSS rules:
Haven't tested it extensively, though. Is it the right approach? We should probably also check if other elements are affected similarly.