Update CHANGELOG.md

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## 0.9.2 (unreleased)
 
+BACKWARDS IMCOMPATIBILITIES / NOTES:
+
+ * provider/openstack: Port Fixed IPs are able to be read again using the original numerical notation. However, Fixed IP configurations which are obtaining addresses via DHCP must now use the `all_fixed_ips` attribute to reference the returned IP address.
+
 FEATURES:
 
  * **New Resource:**  `alicloud_db_instance` [GH-12913]
@@ -67,6 +71,7 @@ BUG FIXES:
  * provider/google: turn compute_instance_group.instances into a set [GH-12790]
  * provider/mysql: recreate user/grant if user/grant got deleted manually [GH-12791]
  * provider/openstack: Fix monitor_id typo in LBaaS v1 Pool [GH-13069]
+ * provider/openstack: Resolve issues with Port Fixed IPs [GH-13056]
  * provider/scaleway: work around parallel request limitation [GH-13045]
 
 ## 0.9.1 (March 17, 2017)