[6.0] cc9219098 Prepare for 6.0.16

[Martin Blix Grydeland]

commit cc9219098d5fb5804eaef60a4e39c3478503857e
Author: Martin Blix Grydeland <martin at varnish-software.com>
Date:   Wed Aug 20 14:31:37 2025 +0200

    Prepare for 6.0.16

diff --git a/configure.ac b/configure.ac
index c181770c9..90448a3f9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.59)
 AC_COPYRIGHT([Copyright (c) 2006 Verdens Gang AS
 Copyright (c) 2006-2025 Varnish Software])
 AC_REVISION([$Id$])
-AC_INIT([Varnish], [6.0.15], [varnish-dev at varnish-cache.org])
+AC_INIT([Varnish], [6.0.16], [varnish-dev at varnish-cache.org])
 AC_CONFIG_SRCDIR(include/miniobj.h)
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])
diff --git a/doc/changes.rst b/doc/changes.rst
index 5bd481780..0dd6d9b71 100644
--- a/doc/changes.rst
+++ b/doc/changes.rst
@@ -26,6 +26,15 @@ http://varnish-cache.org/docs/trunk/whats-new/index.html and via
 individual releases. These documents are updated as part of the
 release process.
 
+=================================
+Varnish-Cache 6.0.16 (2025-08-20)
+=================================
+
+* Fixed a regression in the previous release that would lead to the HTTP/2
+  send queue becoming corrupted (4380_).
+
+.. _4380: https://github.com/varnishcache/varnish-cache/issues/4380
+
 =================================
 Varnish-Cache 6.0.15 (2025-08-05)
 =================================