It’s never fun to see error messages. Here are some tips for troubleshooting and resolving deprecation notices and warnings.
What is a deprecation notice?
This is a notification that specific code within the theme or plugin you’re using will no longer function. This is related to the PHP version and what that specific version supports. Shifter typically runs the latest stable version of PHP. WordPress.org recently announced that it has raised the minimum required version and plans to adopt an even more aggressive upgrade schedule in the future.
Example of a Notification
For example, a deprecation notice might look like this: