This is a bug fix release which addresses some issues with
vmod_accounting, and is is a recommended upgrade for all users of
Varnish Cache Plus 6.0.x.
Also released is the Varnish Web Application Firewall (WAF) version 1.1.0, which requires VCP version 6.0.9r4. New in this version is the upgrade of ModSecurity from version 3.0.3 to 3.0.6. Note that this addresses a performance regression in ModSecurity 3.0.0 to 3.0.5, which also manifests itself in the Varnish WAF. All users of Varnish WAF are encouraged to upgrade.
See the changelog for the complete list of changes in this release.
Update 2021-12-22: Updated packages for EL7 (version 6.0.9r4-2.el7) were released to address a specific packaging related selinux issue seen on RHEL 7.