DOC: release notes

Author: cpcloud

doc/source/release.rst

@@ -331,6 +331,8 @@ pandas 0.12
   - Fixed bug in ``Series.where`` where broadcasting a single element input vector
     to the length of the series resulted in multiplying the value
     inside the input (:issue:`4192`)
+  - Fixed bug in plotting that wasn't raising on invalid colormap for
+    matplotlib 1.1.1 (:issue:`4215`)
 
 pandas 0.11.0
 =============

doc/source/v0.12.0.txt

@@ -463,6 +463,8 @@ Bug Fixes
     argument in ``to_datetime`` (:issue:`4152`)
   - Fixed bug in ``PandasAutoDateLocator`` where ``invert_xaxis`` triggered
     incorrectly ``MilliSecondLocator``  (:issue:`3990`)
+  - Fixed bug in plotting that wasn't raising on invalid colormap for
+    matplotlib 1.1.1 (:issue:`4215`)
 
 See the :ref:`full release notes
 <release>` or issue tracker