Revision Control allows finer control over the Post Revision system included with WordPress
I have been troubleshooting some slow MySql queries and discovered that there were hundreds of page and post revisions stored from the last 3 years of using WordPress. This plugin allowed me to easily clean up the revisions and get the overall number of results returned down to a manageable level. The outcome was a noticeable reduction in load time on the pages that had the most revisions.
The plugin works great, but it's got a small bug.
I ultimately found that if you select "Do not store Revisions" that the "Preview Changes" button no longer works on posts which have been published. -- Posts which are not yet published work fine, regardless of the number of revisions selected.
Change the master settings of the plugin to keep 2 revisions (which restores the "Preview Changes" functionality).
Hopefully an update to the plugin will fix the issue, but this plugin hasn't been updated in quite a while so it's doubtful.
The only thing I wish it could do is delete past revisions. Looks like you have to do that manually.
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