New features
Changes in SAPI modules
Migrating from PHP 5.3.x to PHP 5.4.x
PHP Manual
Changes made to Windows support
Changes to the Windows releases:
is_link()
now works properly for symbolic links on Windows Vista or later. Earlier systems do not support symbolic links.
New features
Changes in SAPI modules
Migrating from PHP 5.3.x to PHP 5.4.x
PHP Manual