What’s new in 1.2.5 (May ??, 2021)

These are the changes in pandas 1.2.5. See Release notes for a full changelog including other versions of pandas.

Fixed regressions

• Regression in concat() between two DataFrames where one has an Index that is all-None and the other is DatetimeIndex incorrectly raising (GH40841)

• Fixed regression in DataFrame.sum() and DataFrame.prod() when min_count and numeric_only are both given (GH41074)

• Regression in read_csv() when using memory_map=True with an non-UTF8 encoding (GH40986)

• Regression in DataFrame.replace() and Series.replace() when the values to replace is a NumPy float array (GH40371)

• Regression in ExcelFile() when a corrupt file is opened but not closed (GH41778)

Bug fixes

Other

Contributors

A total of 243 people contributed patches to this release. People with a “+” by their names contributed a patch for the first time.

• Ada Draginda

• Adam J. Stewart

• Adam Turner +

• Aidan Feldman +

• Ajitesh Singh +

• Akshat Jain +

• Albert Villanova del Moral

• Alexandre Prince-Levasseur +

• Andrew Hawyrluk +

• Andrew Wieteska

• AnglinaBhambra +

• Ankush Dua +

• Anna Daglis

• Ashlan Parker +

• Ashwani +

• Avinash Pancham

• Ayushman Kumar +

• BeanNan

• Benoît Vinot

• Bharat Raghunathan

• Bijay Regmi +

• Bobin Mathew +

• Bogdan Pilyavets +

• Brian Hulette +

• Brian Sun +

• Brock +

• Bryan Cutler

• Caleb +

• Calvin Ho +

• Chathura Widanage +

• Chinmay Rane +

• Chris Lynch

• Chris Withers

• Christos Petropoulos

• Corentin Girard +

• DaPy15 +

• Damodara Puddu +

• Daniel Hrisca

• Daniel Saxton

• DanielFEvans

• Dare Adewumi +

• Dave Willmer

• David Schlachter +

• David-dmh +

• Deepang Raval +

• Doris Lee +

• Dr. Jan-Philip Gehrcke +

• DriesS +

• Dylan Percy

• Erfan Nariman

• Eric Leung

• EricLeer +

• Eve

• Fangchen Li

• Felix Divo

• Florian Jetter

• Fred Reiss

• GFJ138 +

• Gaurav Sheni +

• Geoffrey B. Eisenbarth +

• Gustavo C. Maciel +

• Heidi +

• Henry +

• Hung-Yi Wu +

• Ian Ozsvald +

• Irv Lustig

• Isaac Chung +

• Isaac Virshup

• JHM Darbyshire (MBP) +

• JHM Darbyshire (iMac) +

• Jack Liu +

• James Lamb +

• Jeet Parekh

• Jeff Reback

• Jiezheng2018 +

• Jody Klymak

• Johan Kåhrström +

• John McGuigan

• Joris Van den Bossche

• Jose

• JoseNavy

• Josh Dimarsky

• Josh Friedlander

• Joshua Klein +

• Julia Signell

• Julian Schnitzler +

• Kaiqi Dong

• Kasim Panjri +

• Katie Smith +

• Kelly +

• Kenil +

• Keppler, Kyle +

• Kevin Sheppard

• Khor Chean Wei +

• Larry Wong +

• Lightyears +

• Lucas Holtz +

• Lucas Rodés-Guirao

• Lucky Sivagurunathan +

• Luis Pinto

• Maciej Kos +

• Marc Garcia

• Marco Edward Gorelli +

• Marco Gorelli

• MarcoGorelli +

• Mark Graham

• Martin Dengler +

• Martin Grigorov +

• Marty Rudolf +

• Matt Roeschke

• Matthew Roeschke

• Matthew Zeitlin

• Max Bolingbroke

• Maxim Ivanov

• Maxim Kupfer +

• Mayur +

• Micael Jarniac

• Michael Hsieh +

• Michel de Ruiter +

• Mike Roberts +

• Miroslav Šedivý

• Mohammad Jafar Mashhadi

• Morisa Manzella +

• Mortada Mehyar

• Muktan +

• Naveen Agrawal +

• Noah

• Nofar Mishraki +

• Oleh Kozynets

• Olga Matoula +

• Oli +

• Omar Afifi

• Omer Ozarslan +

• Owen Lamont +

• Ozan Öğreden +

• Pandas Development Team

• Paolo Lammens

• Parfait Gasana +

• Patrick Hoefler +

• Paul McCarthy +

• Paulo S. Costa +

• Pav A

• Peter

• Pradyumna Rahul +

• Punitvara +

• QP Hou +

• Rahul Chauhan

• Rahul Sathanapalli

• Richard Shadrach

• Robert Bradshaw

• Robin to Roxel

• Rohit Gupta

• Sam Purkis +

• Samuel GIFFARD +

• Sean M. Law +

• Shahar Naveh +

• ShaharNaveh +

• Shiv Gupta +

• Shrey Dixit +

• Shudong Yang +

• Simon Boehm +

• Simon Hawkins

• Sioned Baker +

• Stefan Mejlgaard +

• Steven Pitman +

• Steven Schaerer +

• Stéphane Guillou +

• TLouf +

• Tegar D Pratama +

• Terji Petersen

• Theodoros Nikolaou +

• Thomas Li

• Thomas Smith

• Thomas Yu +

• ThomasBlauthQC +

• Tim Hoffmann

• Tom Augspurger

• Torsten Wörtwein

• Tyler Reddy

• UrielMaD

• Uwe L. Korn

• Venaturum +

• VirosaLi

• Vladimir Podolskiy

• Vyom Pathak +

• WANG Aiyong

• Waltteri Koskinen +

• Wenjun Si +

• William Ayd

• Yeshwanth N +

• Yuanhao Geng

• Zito Relova +

• aflah02 +

• arredond +

• attack68

• cdknox +

• chinggg +

• fathomer +

• ftrihardjo +

• github-actions[bot] +

• gunjan-solanki +

• guru kiran

• hasan-yaman +

• jbrockmendel

• jmholzer +

• jordi-crespo +

• jotasi +

• jreback

• juliansmidek +

• kylekeppler

• lucasrodes

• maroth96 +

• mikeronayne +

• mlondschien

• moink +

• morrme

• mschmookler +

• mzeitlin11

• na2 +

• nofarmishraki +

• partev

• patrick

• ptype

• realead

• rhshadrach

• rlukevie +

• rosagold +

• saucoide +

• sdementen +

• shawnbrown

• sstiijn +

• stphnlyd +

• sukriti1 +

• taytzehao

• theOehrly +

• theodorju +

• thordisstella +

• tonyyyyip +

• tsinggggg +

• tushushu +

• vangorade +

• vladu +

• wertha +

What’s new in 1.3.0 (??) What’s new in 1.2.4 (April 12, 2021)