Paul Menard

Provide Versioning, Preview and Rollback ability on Pages and Posts.
<a href="http://www.codehooligans.com/2008/04/18/versioning-your-blog-content/" title="Versioning Your Blog Content" rel="nofollow ugc">Plugin Homepage</a>
<h3>Version Histroy</h3>

1.0 – 2008-03-16: Initial release 
1.1 – 2008-03-21: Fixed slight error in INSERT SQL for the new Revision. Also fixed escape on inserted content. 
1.1b- 2008-04-04: Changed the ‘post_status’ value on the saved revision to ‘inherit’ as this was causing problems with some other plugins. 
1.1c- 2008-04-17: Added notation to indication current version. 
1.2 – 2008-04-18: Changes to Admin display section to make things work under WP 2.5 
1.8 – 2008-05-04: changes to enhance WP 2.5 design integration. Added ability to delete revisions, set a no revision ‘minor-edit’ option, set a no revisions for life checkbox. Display on last 5 revisions with link to reveal more. 
1.8.3 – 2008-05-23: Minor changes to display. Added link to reload most current version of content.

Revisions

Provide Versioning, Preview and Rollback ability on Pages and Posts.

Mark Howells-Mead

Remove query parameters from asset links (JavaScript and CSS) and use inline dot notation instead. (This requires changes to Apache’s .htaccess file.)

Inline version numbering for WordPress

Remove query parameters from asset links (JavaScript and CSS) and use inline dot notation instead.

Revisions vs Inline version numbering for WordPress