When 1Password prompts you for a PIN code the first 3 digits work as you'd expect. Three bullets appear. When you type the last digit, however, 1Password pauses to do some work before unlocking. I'm not sure what it's doing here, really; it might just be a delay to make cracking harder. The delay might be very short, but I've also seen it take several seconds.
That's not a problem.
The problem is it doesn't show the last bullet during that time. During that time, it looks like 1Password just didn't read your last digit. This is just maddening. I tap it again, waiting for the app to acknowledge that it got the last key.
Now, sure, 1Password doesn't actually miss keystrokes that I've noticed. That's good! But this unlock screen is close enough to the iPhone's unlock screen that activates my "Okay, which number got missed this time, I hope it was the last one" reflex every single time.
Please fix the timing here: Make the bullet appear immediately. Thank you.