From a3afe66767e5ae7595b5136377e1c5eefc7c624d Mon Sep 17 00:00:00 2001 From: Tom Augspurger Date: Tue, 4 Feb 2020 14:03:14 -0600 Subject: [PATCH] whatsnew (cherry picked from commit 103840e974a4c8548fccab86cabc6a3161bd94e8) --- doc/source/whatsnew/v1.0.1.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/doc/source/whatsnew/v1.0.1.rst b/doc/source/whatsnew/v1.0.1.rst index 92cd2038aabe6..f9c756b2518af 100644 --- a/doc/source/whatsnew/v1.0.1.rst +++ b/doc/source/whatsnew/v1.0.1.rst @@ -27,6 +27,7 @@ Fixed regressions - Fixed regression in objTOJSON.c fix return-type warning (:issue:`31463`) - Fixed regression in :meth:`qcut` when passed a nullable integer. (:issue:`31389`) - Fixed regression in assigning to a :class:`Series` using a nullable integer dtype (:issue:`31446`) +- Fixed performance regression when indexing a ``DataFrame`` or ``Series`` with a :class:`MultiIndex` for the index using a list of labels (:issue:`31648`) .. ---------------------------------------------------------------------------