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You need to enable it in Develop->Experimental Features, but also you need to be sure you have a CTAP2 key. "U2F" keys are all CTAP1, which is not supported yet
by reaperhulk 8y ago
You need to enable it in Develop->Experimental Features, but also you need to be sure you have a CTAP2 key. "U2F" keys are all CTAP1, which is not supported yet. Yubi's 5 series are CTAP2, as are the blue keys with a 2 printed on them.
- mediocrejoker 8y agoCool I just tried it with Fastmail and a Yubikey 5 and it worked. Gmail however still checks if you're running chrome so it doesn't work.