DOC update and add release date 1.1.1 (#23416)

Co-authored-by: Jérémie du Boisberranger <34657725+jeremiedbb@users.noreply.github.com>

doc/whats_new/v1.1.rst

@@ -7,23 +7,23 @@
 Version 1.1.1
 =============
 
-**In Development**
+**May 2022**
 
 Changelog
 ---------
 
-:mod:`sklearn.decomposition`
-............................
-
-- |Fix| Avoid spurious warning in :class:`decomposition.IncrementalPCA` when
-  `n_samples == n_components`. :pr:`23264` by :user:`Lucy Liu <lucyleeow>`
-
 :mod:`sklearn.datasets`
 .......................
 
 - |Fix| Avoid timeouts in :func:`datasets.fetch_openml` by not passing a
   `timeout` argument, :pr:`23358` by `Loïc Estève <lesteve>`.
 
+:mod:`sklearn.decomposition`
+............................
+
+- |Fix| Avoid spurious warning in :class:`decomposition.IncrementalPCA` when
+  `n_samples == n_components`. :pr:`23264` by :user:`Lucy Liu <lucyleeow>`.
+
 :mod:`sklearn.feature_selection`
 ................................
 
@@ -40,6 +40,14 @@ Changelog
   precision=class balance.
   :pr:`23214` by :user:`Stéphane Collot <stephanecollot>` and :user:`Max Baak <mbaak>`.
 
+:mod:`sklearn.preprocessing`
+............................
+
+- |Fix| :class:`preprocessing.PolynomialFeatures` with ``degree`` equal to 0
+  will raise error when ``include_bias`` is set to False, and outputs a single
+  constant array when ``include_bias`` is set to True.
+  :pr:`23370` by :user:`Zhehao Liu <MaxwellLZH>`.
+
 :mod:`sklearn.tree`
 ...................
 
@@ -50,7 +58,7 @@ Changelog
   :class:`ensemble.RandomForestRegressor`,
   :class:`ensemble.GradientBoostingClassifier`, and
   :class:`ensemble.GradientBoostingRegressor`.
-  :pr:`23410` by :user:`Loïc Estève <lesteve>`
+  :pr:`23410` by :user:`Loïc Estève <lesteve>`.
 
 :mod:`sklearn.utils`
 ....................
@@ -1209,13 +1217,13 @@ the project since version 1.0, including:
 Raghuwanshi, Aditya Singh, Adrian Trujillo Duron, Adrin Jalali, ahmadjubair33,
 AJ Druck, aj-white, Alan Peixinho, Alberto Mario Ceballos-Arroyo, Alek
 Lefebvre, Alex, Alexandre Gramfort, alexanmv, almeidayoel, Amanda Dsouza, Aman
-Sharma, Amar pratap singh, Amit, amrcode, András Simon, Andreas Mueller,
-Andrew Knyazev, Andriy, Angus L'Herrou, Ankit Sharma, Anne Ducout, Arisa, Arth,
-arthurmello, Arturo Amor, ArturoAmor, Atharva Patil, aufarkari, Aurélien
-Geron, avm19, Ayan Bag, baam, Behrouz B, Ben3940, Benjamin Bossan, Bharat
-Raghunathan, Bijil Subhash, bmreiniger, Brandon Truth, Brenden Kadota, Brian
-Sun, cdrig, Chalmer Lowe, Chiara Marmo, Chitteti Srinath Reddy, Chloe-Agathe
-Azencott, Christian Lorentzen, Christian Ritter, christopherlim98, Christoph T.
+Sharma, Amar pratap singh, Amit, amrcode, András Simon, Andreas Mueller, Andrew
+Knyazev, Andriy, Angus L'Herrou, Ankit Sharma, Anne Ducout, Arisa, Arth,
+arthurmello, Arturo Amor, ArturoAmor, Atharva Patil, aufarkari, Aurélien Geron,
+avm19, Ayan Bag, baam, Behrouz B, Ben3940, Benjamin Bossan, Bharat Raghunathan,
+Bijil Subhash, bmreiniger, Brandon Truth, Brenden Kadota, Brian Sun, cdrig,
+Chalmer Lowe, Chiara Marmo, Chitteti Srinath Reddy, Chloe-Agathe Azencott,
+Christian Lorentzen, Christian Ritter, christopherlim98, Christoph T.
 Weidemann, Christos Aridas, Claudio Salvatore Arcidiacono, combscCode, Daniela
 Fernandes, Dave Eargle, David Poznik, Dea María Léon, Dennis Osei, DessyVV,
 Dev514, Dimitri Papadopoulos Orfanos, Diwakar Gupta, Dr. Felix M. Riese, drskd,
@@ -1234,29 +1242,30 @@ JElfner, Jenny Vo, Jérémie du Boisberranger, Jihane, Jirka Borovec, Joel
 Nothman, Jon Haitz Legarreta Gorroño, Jordan Silke, Jorge Ciprián, Jorge
 Loayza, Joseph Chazalon, Joseph Schwartz-Messing, JSchuerz, Juan Carlos Alfaro
 Jiménez, Juan Martin Loyola, Julien Jerphanion, katotten, Kaushik Roy
-Chowdhury, Ken4git, Kevin Doucet, KimAYoung, Koushik Joshi, Kranthi Sedamaki,
-krumetoft, lesnee, Logan Thomas, Loic Esteve, Louis Wagner, LucieClair, Lucy
-Liu, Luiz Eduardo Amaral, Magali, MaggieChege, Mai, mandjevant, Mandy Gu,
-Manimaran, MarcoM, Maren Westermann, Maria Boerner, MarieS-WiMLDS, Martel
-Corentin, mathurinm, Matías, matjansen, Matteo Francia, Maxwell, Meekail Zain,
-Megabyte, Mehrdad Moradizadeh, melemo2, Michael I Chen, michalkrawczyk,
-Micky774, milana2, millawell, Ming-Yang Ho, Mitzi, miwojc, Mizuki, mlant,
-Mohamed Haseeb, Mohit Sharma, Moonkyung94, mpoemsl, MrinalTyagi, Mr. Leu,
-msabatier, murata-yu, N, Nadirhan Şahin, NartayXD, nastegiano, nathansquan,
-nat-salt, Nicki Skafte Detlefsen, Nicolas Hug, Niket Jain, Nikhil Suresh,
-Nikita Titov, Nikolay Kondratyev, Ohad Michel, Oleksandr Husak, Olivier Grisel,
-partev, Patrick Ferreira, Paul, pelennor, PierreAttard, Pieter Gijsbers, Pinky,
-poloso, Pramod Anantharam, puhuk, Purna Chandra Mansingh, QuadV, Rahil Parikh,
-Randall Boyes, randomgeek78, Raz Hoshia, Reshama Shaikh, Ricardo Ferreira,
-Richard Taylor, Rileran, Rishabh, Robin Thibaut, Roman Feldbauer, Roman
-Yurchak, Ross Barnowski, rsnegrin, Sachin Yadav, sakinaOuisrani, Sam Adam Day,
-Sanjay Marreddi, Sebastian Pujalte, SEELE, Seyedsaman (Sam) Emami, ShanDeng123,
-Shao Yang Hong, sharmadharmpal, shaymerNaturalint, Shubhraneel Pal, siavrez,
-slishak, Smile, spikebh, sply88, Sultan Orazbayev, Sumit Saha, Sven Eschlbeck,
-Swapnil Jha, Sylvain Marié, Takeshi Oura, Tamires Santana, Tenavi, teunpe,
-Theis Ferré Hjortkjær, Thiruvenkadam, Thomas J. Fan, t-jakubek, Tom Dupré la
-Tour, TONY GEORGE, Tyler Martin, Tyler Reddy, Udit Gupta, Ugo Marchand, Varun
-Agrawal, Venkatachalam N, Vera Komeyer, victoirelouis, Vikas Vishwakarma,
-Vikrant khedkar, Vladimir Chernyy, Vladimir Kim, WeijiaDu, Xiao Yuan, Yar Khine
-Phyo, Ying Xiong, yiyangq, Yosshi999, Yuki Koyama, Zach Deane-Mayer, Zeel B Patel,
+Chowdhury, Ken4git, kernc, Kevin Doucet, KimAYoung, Koushik Joshi, Kranthi
+Sedamaki, krumetoft, lesnee, Long Bao, Logan Thomas, Loic Esteve, Louis Wagner,
+LucieClair, Lucy Liu, Luiz Eduardo Amaral, Magali, MaggieChege, Mai,
+mandjevant, Mandy Gu, Manimaran, MarcoM, Maren Westermann, Maria Boerner,
+MarieS-WiMLDS, Martel Corentin, mathurinm, Matías, matjansen, Matteo Francia,
+Maxwell, Max Baak, Meekail Zain, Megabyte, Mehrdad Moradizadeh, melemo2,
+Michael I Chen, michalkrawczyk, Micky774, milana2, millawell, Ming-Yang Ho,
+Mitzi, miwojc, Mizuki, mlant, Mohamed Haseeb, Mohit Sharma, Moonkyung94,
+mpoemsl, MrinalTyagi, Mr. Leu, msabatier, murata-yu, N, Nadirhan Şahin,
+NartayXD, nastegiano, nathansquan, nat-salt, Nicki Skafte Detlefsen, Nicolas
+Hug, Niket Jain, Nikhil Suresh, Nikita Titov, Nikolay Kondratyev, Ohad Michel,
+Oleksandr Husak, Olivier Grisel, partev, Patrick Ferreira, Paul, pelennor,
+PierreAttard, Pieter Gijsbers, Pinky, poloso, Pramod Anantharam, puhuk, Purna
+Chandra Mansingh, QuadV, Rahil Parikh, Randall Boyes, randomgeek78, Raz Hoshia,
+Reshama Shaikh, Ricardo Ferreira, Richard Taylor, Rileran, Rishabh, Robin
+Thibaut, Roman Feldbauer, Roman Yurchak, Ross Barnowski, rsnegrin, Sachin
+Yadav, sakinaOuisrani, Sam Adam Day, Sanjay Marreddi, Sebastian Pujalte, SEELE,
+Seyedsaman (Sam) Emami, ShanDeng123, Shao Yang Hong, sharmadharmpal,
+shaymerNaturalint, Shubhraneel Pal, siavrez, slishak, Smile, spikebh, sply88,
+Stéphane Collot, Sultan Orazbayev, Sumit Saha, Sven Eschlbeck, Swapnil Jha,
+Sylvain Marié, Takeshi Oura, Tamires Santana, Tenavi, teunpe, Theis Ferré
+Hjortkjær, Thiruvenkadam, Thomas J. Fan, t-jakubek, Tom Dupré la Tour, TONY
+GEORGE, Tyler Martin, Tyler Reddy, Udit Gupta, Ugo Marchand, Varun Agrawal,
+Venkatachalam N, Vera Komeyer, victoirelouis, Vikas Vishwakarma, Vikrant
+khedkar, Vladimir Chernyy, Vladimir Kim, WeijiaDu, Xiao Yuan, Yar Khine Phyo,
+Ying Xiong, yiyangq, Yosshi999, Yuki Koyama, Zach Deane-Mayer, Zeel B Patel,
 zempleni, zhenfisher, 赵丰 (Zhao Feng)