Plugin Not Working After WordPress 7.0? Fix It Fast
A plugin broke after updating to WordPress 7.0? Triage in 2 minutes, fix the three known 7.0 culprits, or roll back safely. Steps included.
Wpnotar Editorial
How to Test a WordPress Update on a Copy First
Three routes to a copy of your site for testing a WordPress update, the two settings to change first, and the test script to run once it is updated.
What Actually Happens During a WordPress Update
The five phases of a WordPress update, what is never touched, and a map from each common error message to the exact phase that produced it.