The announcement doesn't appear to be on PHP.net yet but a message was posted to PHP Internals [1] and the changelog is on pastebin [2]. If you want to give it

The announcement doesn't appear to be on PHP.net yet but a message was posted to PHP Internals [1] and the changelog is on pastebin [2]. If you want to give it a go, you can get fairly recent builds of PHP 5.4 for Debian / Ubuntu from http://apt.damz.org/ http://apt.damz.org/ [1] http://marc.info/?l=php-internals&m=131613589305249&w=4 http://marc.info/?l=php-internals&m=131613589305249&... [2] http://pastebin.com/HKwbkJkz http://pastebin.com/HKwbkJkz