On Fri, Apr 29, 2016 at 02:23:32AM +0100, Always Learning wrote:
Centos replaced well-running customise Firefox with version ESR 45.1.0
Errr... you mean Red Hat released a security update (see https://rhn.redhat.com/errata/RHSA-2016-0695.html), and CentOS rebuilt and released it.
What, exactly, would you like the CentOS maintainers to do differently? Are you volunteering your time to help?