jkl5xxJSON Formatter Chrome Plugin Now Closed and Injecting Adware
Interesting that the author, Callum Locke, seems to be a real person with a real reputation to damage. Previously this would have been a trust signal to me, I figured real developers would be less likely to go rogue given the consequences.
Browser extension maintainers routinely get contacted by more or less shady directions. This is likely a case of maintainer selling out after getting a good offer.