From 8919d432d429158df89e6fe4480acac0e14cfc37 Mon Sep 17 00:00:00 2001 From: Simon Hawkins Date: Thu, 22 Jul 2021 13:39:10 +0100 Subject: [PATCH] move release note for fix for #42259 --- doc/source/whatsnew/v1.3.1.rst | 2 ++ doc/source/whatsnew/v1.4.0.rst | 1 - 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/doc/source/whatsnew/v1.3.1.rst b/doc/source/whatsnew/v1.3.1.rst index 2e3c15eca972f..b6fdbec68d776 100644 --- a/doc/source/whatsnew/v1.3.1.rst +++ b/doc/source/whatsnew/v1.3.1.rst @@ -25,6 +25,8 @@ Fixed regressions - Fixed regression in :meth:`DataFrame.isin` and :meth:`Series.isin` raising ``TypeError`` with nullable data containing at least one missing value (:issue:`42405`) - Regression in :func:`concat` between objects with bool dtype and integer dtype casting to object instead of to integer (:issue:`42092`) - Bug in :class:`Series` constructor not accepting a ``dask.Array`` (:issue:`38645`) +- Fixed regression in :func:`to_datetime` returning pd.NaT for inputs that produce duplicated values, when ``cache=True`` (:issue:`42259`) + .. --------------------------------------------------------------------------- diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst index 8d96d49daba4f..ae1844b0a913c 100644 --- a/doc/source/whatsnew/v1.4.0.rst +++ b/doc/source/whatsnew/v1.4.0.rst @@ -183,7 +183,6 @@ Categorical Datetimelike ^^^^^^^^^^^^ -- Bug in :func:`to_datetime` returning pd.NaT for inputs that produce duplicated values, when ``cache=True`` (:issue:`42259`) - Bug in :class:`DataFrame` constructor unnecessarily copying non-datetimelike 2D object arrays (:issue:`39272`) -