michalblazek

WordPress update seems to be basic stuff. You just click Update now and that’s all. Unfortunately we have seen countless WordPress errors after various updates or rutine changes.
These are usually caused by using some deprecated codes or not compatible plugins. Sometimes there may be some issue with a server memory, PHP or database. We have recently started to use the checklist for WordPress core, plugins or themes update. 
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WP Update Checklist

Checklist for WordPress core, plugin updates and themes updates. What should your developer always check.

Jon Tejnung

This plugin will give you three alternatives for managing your WordPress updates:
<ul>
<li>Update automatically – This updates WordPress/themes/plugins automatically and sends an email to the site admin when an update has been performed.</li>
<li>Update automatically (no email) – Same as the first alternative, but without the email.</li>
<li>Inform about updates once a week – This will send an email to the admin once a week if there are anything that can be updated.</li>
</ul>
Notice that only plugins/themes that resides in the WordPress 
repository will be updated/informed about.
The plugin has not been tested and is not primarily made for multi site-installations.

Simple Automatic Updates

Activate automatic updates or weekly notifications for the site.

WP Update Checklist vs Simple Automatic Updates