add whatsnew

topper-123 · topper-123 · commit 667b501e4dce · 2020-08-22T10:59:34.000+01:00
diff --git a/doc/source/whatsnew/v1.2.0.rst b/doc/source/whatsnew/v1.2.0.rst
@@ -155,6 +155,7 @@ Performance improvements
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
 - Performance improvement in :meth:`GroupBy.agg` with the ``numba`` engine (:issue:`35759`)
+- Performance improvement for :meth:`RangeIndex.format` (:issue:`35712`)
 -
 
 .. ---------------------------------------------------------------------------

Original file line number	Diff line number	Diff line change
`@@ -155,6 +155,7 @@ Performance improvements`
`155`	`155`	`~~~~~~~~~~~~~~~~~~~~~~~~`
`156`	`156`
`157`	`157`	- Performance improvement in :meth:`GroupBy.agg` with the ``numba`` engine (:issue:`35759`)
	`158`	+- Performance improvement for :meth:`RangeIndex.format` (:issue:`35712`)
`158`	`159`	`-`
`159`	`160`
`160`	`161`	`.. ---------------------------------------------------------------------------`