SearchImportant: If you are not running 4.1.9r1 (released November 30th 2017) or newer, make sure you read the associated information on upgrading to 4.1.9r1 before you upgrade to 4.1.11r6.
This release is a bug fix release and fixes issues with certificate verification on platforms using OpenSSL version 1.0, a request body timing issue as well as the update frequency for DNS updates in libvmod_goto. It is a recommended update for all users of Varnish Cache Plus 4.1.
See the change log for details on this and previous releases.
Update 2022-01-13: Updated packages for EL7 (version 4.1.11r6-2.el7) were released to address a problem with the package provided Varnish ABI version seen on RHEL 7.