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Warning:

Our upgrades to Perl may break custom code and modules that you used in previous versions of cPanel & WHM. 

cPanel & WHM versions 11.46 through 54 ship with binaries that we compile against Perl version 5.14.4. This change directly affects any custom Perl code that you execute from cPanel binaries. It is critical that you test your plugins and hook code against Perl 5.14.4 to ensure it continues to work correctly. Previously compiled custom modules, with the buildperl system, will not function properly in cPanel & WHM version 11.46 and later, because the system built the module against an older version of Perl.

 
Before you recompile all of your modules, check whether cPanel & WHM already includes your modules. With the addition of several modules to the list of modules that cPanel ships, we expect that cPanel & WHM ships with the majority of the modules that developers built with this tool.

  • For a list of modules that cPanel currently ships, read our Third-Party Software documentation for the appropriate cPanel & WHM version.
  • cPanel wants to ensure that we ship the modules that developers need. If you discover that cPanel & WHM does not ship with a CPAN module that you need, send an email to integration@cpanel.net to request it.

    Note:

    While it is possible to install custom modules to the /opt/cpanel/perl5/514/site_lib library with the /usr/local/cpanel/3rdparty/perl/514/bin/cpanm command, this will cause further problems when cPanel switches to newer versions of Perl in the future.

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