The following packages are in testing, and available for download in the testing repositories:

• nginx 1.6.3
• mysql55w 5.5.43
• php56w 5.6.8
• php56w-pecl-redis
• php56w-pecl-xdebug
• php55w 5.5.24
• php55w-pecl-redis
• php55w-pecl-xdebug
• php54w 5.4.40
• php54w-pecl-redis
• php54w-pecl-xdebug
• php54w-pecl-zendopcache

Assuming you have the Webtatic repositories set up (see Yum Repository), you can update using:

    yum update <package> --enablerepo=webtatic-testing