Contextual Related Posts

The number of displayed posts and whether they should also be included in the feed, is configurable.

Installation:

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

Features:

• Display Related Posts automatically in content / feed, no need to edit template files
• Doesn't require the post to be tagged in order to display related posts
• You can manually add code to your template where you want the related posts to be displayed
• Exclude posts from categories
• Exclude display of related posts on Pages
• Exclude links pages in Related Posts list
• Find related posts based on content and post title

What is new in this release:

• New:
• Multi-site support. Now you can Network Activate the plugin and all users will see related posts!
• Thumbnails are registered as an image size in WordPress. This means WordPress will create a copy of the image with the specified dimensions when a new image is uploaded. For your existing images, I recommend using Force Regenerate Thumbnails
• Completely filterable mySQL query to fetch the posts. You can write your own functions to filter the fields, orderby, groupby, join and limits clauses
• Modified:
• Lookup priority for thumbnails. The thumbnail URL set in the Contextual Related Posts meta box is given first priority
• Removed border=0 attribute from img tag for HTML5 validation support
• Default option for timthumb is disabled
• Default option for post types to include is post and page
• get_crp_posts has been deprecated. See get_crp_posts_id instead
• Turning on the Default style will switch on thumbnails, correctly resize them and will also hide authors, excerpts and the post date
• Fixed:
• Post image will now be loaded over HTTPS if the visitor visits your site on HTTPS

What is new in version 1.9.1:

• Modified:
• Refined match title algorithm. Previously this would match the post title with both the title and content
• Widget initialization
• Massive code cleanup and more documentation in the WordPress settings page
• New:
• Added w.org and github.com to list of allowed sites for timthumb

What is new in version 1.9:

• New:
• Default style to make those related posts look awesome! You can find this option in the Custom styles section
• Option to change the priority of the content filter. Now you can choose at what stage after the content the related posts are added.
• Option to exclude the display on custom post types. Find this under Output Options
• Redesigned settings page to be more responsive on mobile devices and better integrated in the WordPress Dashboard design
• Function get_crp_posts_id can be used to fetch the IDs of related posts. Check out the FAQ on details of this
• Modified:
• Shortcode now considers a wider range of attributes

What is new in version 1.8.10.2:

• Fixed:
• Potential SQL vulnerability
• Modified:
• Minor performance improvements in initialisation of the widget
• Plugin now checks if it is within the loop when any option under "Add related posts to:" is selected. Minor performance increase to avoid the plugin being called unnecessarily in secondary loops.

What is new in version 1.8.10.1:

• Fixed:
• Manual install caused a PHP error in 1.8.10.

What is new in version 1.8.9:

• Option to choose between using CSS styles or HTML attributes for thumbnail width and height. HTML width and height attributes are default
• Filters crp_title and crp_heading_title can be used to customise the Title of the posts and Heading Title of posts list respectively. Check out the FAQ for further information
• Option to add the author to the list of posts
• Options in the widget to show author and date
• Bypass cache option for echo_ald_crp. This is the default option. You can force the cache using echo_ald_crp($cache=true)

What is new in version 1.8.8:

• New:
• Clear cache button.
• Option to add the date before the post title.

Requirements:

• WordPress 3 or higher