Start NEXT sections in vrt.h and changes.rst

to anchor patches

doc/changes.rst

@@ -34,13 +34,17 @@ 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 7.5.0 (2024-03-18)
-================================
+===============================
+Varnish Cache NEXT (2024-09-15)
+===============================
 
 .. PLEASE keep this roughly in commit order as shown by git-log / tig
    (new to old)
 
+================================
+Varnish Cache 7.5.0 (2024-03-18)
+================================
+
 * Add ``h2_window_timeout`` paramater to mitigate CVE-2023-43622 (VSV00014_).
 
 * The parameters ``idle_send_timeout`` and ``timeout_idle`` are now

include/vrt.h

@@ -57,6 +57,7 @@
  * Whenever something is deleted or changed in a way which is not
  * binary/load-time compatible, increment MAJOR version
  *
+ * NEXT (2024-09-15)
  * 19.0 (2024-03-18)
  *	[cache.h] (struct req).filter_list renamed to vdp_filter_list
  *	order of vcl/vmod and director COLD events reversed to directors first