5.22. Backwards incompatible changes in the Squid webproxy
[Note] This section only applies to people that have installed the squid webproxy.
The configuration of squid has in an incompatible way. Notably some of the squid "helpers" have changed their name. If your configuration relies on old features no longer present or on the old names for the helpers, your squid service may fail to start after the upgrade.
Please see the upstream release notes for more information. These are:
Release notes for Squid 3.2 (The renamed helpers can be found in 2.6 Helper Name Changes)
Release notes for Squid 3.3
Release notes for Squid 3.4
If you have any remarks to the wording, please let me know and I will
look into it. :)