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

• mysql55w 5.5.59-1
• php71w 7.1.14-1
• php72w 7.2.2-1
• php56w-pecl-redis 3.1.6-1
• php70w-pecl-redis 3.1.6-1
• php71w-pecl-redis 3.1.6-1
• php72w-pecl-redis 3.1.6-1
• php70w-pecl-apcu 5.1.9-1
• php71w-pecl-apcu 5.1.9-1
• php72w-pecl-apcu 5.1.9-1
• php70w-pecl-xdebug 2.6.0-1
• php71w-pecl-xdebug 2.6.0-1
• php72w-pecl-xdebug 2.6.0-1

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

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