PHP 4.1.0 has been released and is now available for title="download now">download.

Key additions in 4.1.0 include performance and stability enhancements (especially under the Windows platform),

security improvements for handling form variables, and output compression support. Other

improvements include:

New $_GET, $_POST, $_COOKIE, $_SERVER and $_ENV variables, which will replace older $HTTP_*_VARS arrays

Older applications shouldn't have problems running within the new 4.1.0 server, so it might be a good time

to upgrade for the new features and performance gains. You can read the full list of changes and new features