You don't need tampermonkey in canary. You only need a userscript plugin if you're using chrome stable or dev channels. Chrome supports userscripts out of the box, but stable and dev channels only allow store extensions to be installed.
Use a version from github. I'm using this one, as it's got some stuff the 'official' version doesn't (at least, the 2-months ago last change indicates it might be)
The reason they keep breaking is because
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Or it could just be funky in Google Canary (Chrome x64).
Yes Tampermonkey is installed.
Using SG + for Tampermonkey script.
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