docs: update Changelog for release.

docs/changelog.rst

@@ -15,7 +15,7 @@ Release Notes
     </style>
 
 
-v0.2.6 (unreleased)
+v0.2.7 (unreleased)
 -------------------
 
 To avail of fixes in an unreleased version, please download a ZIP file
@@ -24,6 +24,15 @@ To avail of fixes in an unreleased version, please download a ZIP file
 Fixes
 ~~~~~
 
+*(none yet)*
+
+
+v0.2.6 (2019-03-06)
+-------------------
+
+Fixes
+~~~~~
+
 * `#542 <https://github.com/dw/mitogen/issues/542>`_: some versions of OS X
   ship a default Python that does not support :func:`select.poll`. Restore the
   0.2.3 behaviour of defaulting to Kqueue in this case, but still prefer
@@ -74,7 +83,6 @@ Core Library
   :meth:`mitogen.core.Latch.put`'s `obj` argument was made optional.
 
 
-
 Thanks!
 ~~~~~~~
 
@@ -90,7 +98,6 @@ bug reports, testing, features and fixes in this release contributed by
 `@zyphermonkey <https://github.com/zyphermonkey>`_.
 
 
-
 v0.2.5 (2019-02-14)
 -------------------