Yslo

WordPress, by default, allows you the ability edit theme and plugin files directly from within the WordPress control panel.
If you never change files directly on your WordPress site, there’s absolutely no need to have this feature available to you or your administrators.
<h4>Features</h4>
<ul>
<li>Disable WordPress Theme/Plugin Editor</li>
</ul>

WP Theme Plugin Editor Disable

This plugin disable Wordpress Theme/Plugin Editor.

Gary Pendergast

Advanced Automatic Updates adds extra options to WordPress’ built-in Automatic Updates feature. On top of security updates, it also supports installing major releases, plugins, themes, or even regular SVN checkouts!
If you’re working on a WordPress Multisite install, it will properly restrict the options page to your Network Admin.
While this will be useful for the vast majority of sites, please exercise caution, particularly if you have any custom themes or plugins running on your site.

Advanced Automatic Updates

Nice Plugin

Adds extra options to WordPress' built-in Automatic Updates feature.

WP Theme Plugin Editor Disable vs Advanced Automatic Updates