This plugin adds 2 columns to the admin plugin's page to show when each plugin was last updated and upgraded.

Fastmover

Karissa Skirmont

Michael Preslar

This plugin adds two columns to the plugin’s page in WordPress’s admin to show when each plugin was “Last Updated” by the developer and when the plugin was “Last Upgraded” on the site. The “Last Updated” column will also show “Plugin not found” OR “Plugin has been closed!” if the plugin isn’t on the repo anymore or has been closed.
The first time you load the plugins page, it may load very slowly if you have a lot of plugins due to many API calls made to WordPress.org in order to retrieve the last updated information.
This plugin makes 1 API call for each plugin installed. This data is cached for 24 hours, unless you manually clear the cache clearing via Admin Menu > Plugins > Plugin Columns.
The idea for this plugin’s functionality and the artwork was by <a href="http://karissaskirmont.com" title="karissaskirmont.com" rel="nofollow ugc">Karissa Skirmont</a>‘s of <a href="http://profoundlypurple.com" title="profoundlypurple.com" rel="nofollow ugc">Profoundly Purple</a>. 
Plugin Developed by <a href="http://stevenkohlmeyer.com" title="stevenkohlmeyer.com" rel="nofollow ugc">Steven Kohlmeyer</a> with contributions by [Michael Preslar (http://drzimp.com “drzimp.com”)].

Plugins Last Updated Column

While I'm probably a little bias about this plugin since it was my idea, the plugin in developer Steve Kohlmeyer, executed it be beautifully. 
At my request, in version 0.0.7, he added support for Multisite so that now they the column shows up in wp-admin/network/plugins.php. When installing, use the 'Network Activate' option.
Now I'm going to have to go through them all purge the old ones or contact the plugin developers that haven't updated in over 2 years... to update.



Solves the issue of knowing what plugins haven't been updated in a while

http://plugincopywriter.com/new-notable-wordpress-plugins-week-ending-aug-24/



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