Varnish 4.0.1 released(varnish-cache.org)
varnish-cache.org
Varnish 4.0.1 released
https://www.varnish-cache.org/lists/pipermail/varnish-announce/2014-June/000697.html
2 comments
This tool works pretty well. https://github.com/fgsch/varnish3to4 - combined with the "whats changed" it should not take you much time to upgrade.
The documentation is pretty light on details about how to switch over.