Given the evidence, Hypothesis B is more plausible. Major studios don't need 7 updates; indie films do.
An "updated" WEB-DL indicates that the file differs from earlier releases. Possible updates include: at the beginning its all good 2017 webdl 7 updated
2017 was the year HDR (High Dynamic Range) began to trickle into web releases. This updated file benefited from improved color accuracy. Given the evidence, Hypothesis B is more plausible
Instead of hunting for an unsafe WEB-DL, try these legal options: Given the evidence
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