If you haven’t been using the codeigniter framework you will have noticed the recent 1.5.2 release which is a bug fixing release with the following fixes:

• Added subversion information to the downloads page.
• Added support for captions in the Table Library
• Fixed a bug in the download_helper that was causing Internet Explorer to load rather then download
• Fixed a bug in the Active Record Join function that was not taking table prefixes into consideration.
• Removed unescaped variables in error messages of Input and Router classes.

for more details read the full release change log