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WordPress’ Core systems team had an eventful Friday when an error in the auto-update system caused sites to update to WordPress 5.5.3-alpha-49449, including live production sites with no auto-update constants defined.
Those who received an email about the update logged into their sites to see the message: “BETA TESTERS: This site is set up to install updates of future beta versions automatically.”
Shaun Rieman…
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