<p>New option <em>max-stale=</em> to provide a maximum staleness factor. Squid won't
serve objects more stale than this even if it failed to validate the object.
+ <tag>reply_header_access</tag>
+ <p>Added support for custom header header names.</p>
+
+ <tag>request_header_access</tag>
+ <p>Added support for custom header header names.</p>
+
+ <tag>reply_header_replace</tag>
+ <p>Added support for custom header header names.</p>
+
+ <tag>request_header_replace</tag>
+ <p>Added support for custom header header names.</p>
+
<tag>tcp_outgoing_address</tag>
<p>This parameter is now compatible with persistent server connections.
The IPv6 magic 'to_ipv6' hacks needed in 3.1 are now no longer necessary.