New release v2.6.0

changelogs/.changes.yaml

 releases:
+  2.6.0:
+    codename: Heartbreaker
+    fragments:
+    - v2.6.0_summary.yaml
+    release_date: '2018-06-28'
   2.6.0a1:
     codename: Heartbreaker
     fragments:

changelogs/fragments/v2.6.0_summary.yaml

+release_summary: |
+   | Release Date: 2018-06-28
+   | `Porting Guide <https://docs.ansible.com/ansible/devel/porting_guides.html>`_

lib/ansible/release.py

@@ -19,6 +19,6 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-__version__ = '2.6.0rc5.dev0'
+__version__ = '2.6.0'
 __author__ = 'Ansible, Inc.'
 __codename__ = 'Heartbreaker'