2fa login on blinko 1.8.9 keeps failing, console says "Invalid or expired login challenge"

Feb 12, 2025
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ok so 2fa on blinko is kinda broken after 1.8.9.

right password, fresh code from the authenticator, the page just says Invalid verification code and the browser console has this:

2FA verification failed: Invalid or expired login challenge

turning 2fa off gets you straight in. turning it back on and scanning a new qr gives the exact same thing. release notes only say to restart any unfinished sign-in flow after upgrading, which doesnt really sound like the whole story here.