The first release candidate of PHP 5.4 was just released. The announcement on the main page is still missing, but the links are the usual ones: http://www.php.net/archive/2011.php#id2011-11-10-1
Jun 21, 2010: Trends in Concurrency 2010, part 3
This is the last post about the TiC’10 summer school and covers the two remaining lectures. Mark Moir talked about concurrent data structures and transactional memory, and last but not least, Madan Musuvathi presented the work they did at Microsoft Research to improve the testing of concurrent applications.