Comment Re:the reason (Score 1) 47
The newer captchas depend on newer browser technology
I've got Palemoon, but I only use that for accessing ancient management GUIs that require SSL but can't speak modern dialects of it, or looking at local files with Flash in them. LibreWolf tracks Firefox upstream, and is generally within a minor version or two of current. Presumably Google's prickery toward it is based on detecting its user-agent string or its failure to implement desired tracking functionality. I haven't dug into the problem much.
Also, the problem isn't that the captchas don't work -- it's that Google feels the need to serve them in the first place, accusing me of "unusual network traffic" that "may violate our terms of service."