WP Document Revisions

It allows the admin to control the way files are managed through WordPress.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

Features:

• Support for any file type (docs, spreadsheets, images, PDFs, etc.)
• Stores unlimited revisions with a revision log message for each
• Each file gets a permanent URL that always points to the latest version of the file
• Each revision gets its own unique url (e.g., my-document-revision-3.doc)
• Toggle documents between public, private, and password protected
• Secure: filenames are hashed on upload and files are only accessible through WordPress's proven authentication system
• Can move document upload folder to location outside of web root to further secure files
• Helps the admin track and organize documents as they move through an organization's workflow
• RSS Feeds for revisions

What is new in this release:

• Added Brazilian Portuguese translation
• Significantly improved automated testing via WP-CLI
• Better guarding against binary files being corrupted by other plugins
• Improved documentation

What is new in version 1.3.6:

• Added Italian translation
• Added Russian translation
• Updated all translations

What is new in version 1.3.2:

• Better loading of administrative functions
• Better toggling of Workflow state support for integration with Edit Flow and other plugins
• Administrative CSS now stored in a separate file (rather than being injected directly to document head), and loads via enqueue_style API
• Administrative CSS and Javascript files now versioned based on plugin version to allow for better caching

What is new in version 1.3.1:

• Better permalink support for draft and pending documents
• Whenever possible browser will attempt to display documents in browser, rather than prompting with save as dialog (e.g., PDFs)
• Fix for function get_file_type() breaking the global $post variable when no document argument is supplied

What is new in version 1.3:

• Attempts to access unauthorized files now properly respond with HTTP code 403 (rather than 500 previously). Note: attempting to access private documents will continue to result in 404s.
• Enhanced authentication prior to serving files now provides developers more granular control of permissions via serve_document_auth filter.
• Default document upload director now honors WordPress-wide defaults
• Ability to separate documents on server by site subfolder on multisite installs

What is new in version 1.2.4:

• Gallery, URL, and Media Library links now hidden from media upload popup when uploading revisions.
• Fix for plugin breaking media gallery when filtered by mimetype (MySQL ambiguity error).
• Fix for upload new version button appearing for locked out users in WordPress 3.3.
• Fix for upload new version button not appearing after document lock override on WordPress 3.3.

What is new in version 1.2.3:

• Fix for serving documents via SSL to Internet Explorer version 8 and earlier
• GPL License now distributed with plugin
• Code cleanup, minor bug fixes, and additional inline documentation

What is new in version 1.2.2:

• Documents shortcode now accepts additional parameters. See the FAQ for a full list.
• Performance and scalability improvements to backend; files attached to documents are now excluded from media lists by join statements rather than subqueries
• If plugin is unable to locate requested file on server, standard theme's 404 template is served (rather than serving "404 -- file not found" via wp_die() previously) and E_USER_NOTICE level error is thrown. Diagnostic information will be available via debug bar (if WP_DEBUG is enabled) or in the standard PHP error log
• /documents/ now supports pagination
• Support for linking to revisions with ugly permalinks
• Custom post type's has_archive property changed to true to help with theme compatibility

What is new in version 1.2:

• Added shortcode to display list of documents meeting specified criteria
• Added shortcode to display a document's revisions (formerly in code cookbook)
• Addded widget to display recently revised documents (formerly in code cookbook)
• Created new global get_documents() and `get_document_revisions() functions to help build and customize themes and plugins
• Added filter to wp_get_attachment_url to force document/revision urls when attachments are queried directly
• Better organization of plugin files within plugin folder

Requirements:

• WordPress 3.2 or higher

Limitations:

• Google Summer of Code 2011 project. Still under development.