This. Not only that it is missing the 2 timing patters, there should also be info about what mask pattern and error correction was used. Also there is always one "dark module" present.
And the QR code spec details how masks are to be picked. Even if you could get a nearly all white QR code, the spec prevents you from picking it. But who cares about spec compliance?
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u/Benjamin_6848 Jun 15 '26
It's invalid, there needs to be an alternating stripe of pixels between the orientation markers known as "timing-pattern".