[4.1] bc993de Update changelog: First 4.1.10 changes

[PÃ¥l Hermunn Johansen]

commit bc993dec9bfe37c43b63cc2c3b68d2dc3f685450
Author: Pål Hermunn Johansen <hermunn at varnish-software.com>
Date:   Mon Dec 18 10:35:26 2017 +0100

    Update changelog: First 4.1.10 changes

diff --git a/doc/changes.rst b/doc/changes.rst
index a8ab3c4..e1985b0 100644
--- a/doc/changes.rst
+++ b/doc/changes.rst
@@ -1,3 +1,26 @@
+=================================
+Varnish Cache 4.1.10 (unreleased)
+=================================
+
+Changes since 4.1.9:
+
+* New counter added: cache_hit_grace (see 2455_)
+* Doc: Specify that time_firstbyte is in seconds (see 2456_)
+
+.. _2455: https://github.com/varnishcache/varnish-cache/pull/2455
+.. _2456: https://github.com/varnishcache/varnish-cache/pull/2456
+
+Bugs fixed
+----------
+
+* 1772_ - Honor first_byte_timeout for recycled backend connections
+* 2135_ - Limit Backend Connection retries to a single retry
+* 2502_ - objcore reference count leak
+
+.. _1772: https://github.com/varnishcache/varnish-cache/issues/1772
+.. _2135: https://github.com/varnishcache/varnish-cache/pull/2135
+.. _2502: https://github.com/varnishcache/varnish-cache/issues/2502
+
 ================================
 Varnish Cache 4.1.9 (2017-11-14)
 ================================