For those of you using two-step authentication for your Google account, a new update for the Google Authenticator app has just landed in the Android Market. Version 0.85 apparently fixes a few security bugs, and adds some UI improvements -- though we have to say, the app looks exactly the same to our untrained eyes.
Anyone with CyanogenMod 7.1 installed will want to stay clear of this Authenticator update, however, as users of the popular custom firmware are reporting that this new update force-closes at startup on their devices. Our own Chris Parsons has confirmed that the latest version doesn't work with CM 7.1 on his HTC Desire HD and Motorola Atrix, while the app is equally borked on Josh Munoz's CM'd HTC EVO 3D. Because two-step authentication users need the Authenticator app to sign in on a new computer, this could cause a few headaches for anyone affected. So if you're running CM, or a custom ROM based upon it, we'd recommend holding off updating until more is known, or an official fix is available.
In the meantime, if you find yourself unable to use the new version of Google Authenticator, you can always authenticate your account over the phone, or use one of your emergency sign-in codes (you remembered to write those down, right?) After you're signed in, you'll then be able to disable two-stage authentication until either Google or the CM team comes out with a fix.
If you're not running a custom ROM, however, you should be just fine. You'll find the usual QR code and Android Market links after the break.
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