The following information has been provided by the varnish-announce mailing list.
Dear Varnish community
We have now made available version 4.1.7, and it can be found here:
Packages will be made available in the official repositories today.
The long standing issue 1746 (see
fixed in the 4.1 branch, and this fix will change how Varnish behaves in
Before 4.1.7-beta1, the nuke_limit parameter was ignored, so a varnish
instance could nuke any number of objects to make room for a new big
object. From 4.1.7-beta1, only a limited number of object will be
nuked before Varnish gives up and decides there is no room for the new
The default nuke_limit is 10, and this number is high enough to not
affect most users. However, if you want to make sure that the
behavior is not changed when upgrading, you should set the value much