[petsc-announce] PETSc 3.12 release

[Smith, Barry F.]

We are pleased to announce the release of PETSc version 3.12 at http://www.mcs.anl.gov/petsc

The major changes and updates can be found at http://www.mcs.anl.gov/petsc/documentation/changes/312.html

We recommend upgrading to PETSc 3.12 soon. As always, please report problems to  petsc-maint at mcs.anl.gov and ask questions at petsc-users at mcs.anl.gov

This release includes contributions from

Alex Lindsay
Alp Dener
Barry Smith
Boris Boutkov
Chris Eldred
Dave May
David Wells
Debojyoti Ghosh
deepblu2718
Emil Constantinescu
Fande Kong
Florian Wechsung
Glenn Hammond
Hannah Morgan
Hansol Suh
Hendrik Ranocha
Hong Zhang
Hong Zhang
Jacob Faibussowitsch
Jakub Kružík
Jed Brown
Jeffrey Larson
Joe Wallwork
Jose E. Roman
Julian Giordani
Junchao Zhang
Karl Rupp
Lawrence Mitchell
Lisandro Dalcin
Lu
luzhanghpp
Mark Adams
Martin Diehl
Matthew G. Knepley
Patrick Farrell
Patrick Sanan
Pierre Jolivet
Richard Tran Mills
Sajid Ali
Satish Balay
Scott Kruger
Siegfried Cools
Stefano Zampini
Thibaut Appel
Tristan Konolige
Václav Hapla
valeriabarr
Volker Jacht
William Gropp

and bug reports/patches/proposed improvements received from 

장승언
Adina Püsök
Andrea Gallegati
"Appel, Thibaut"
Åsmund Ervik
"Aulisa, Eugenio"
Barry Smith
"Betrie,  Getnet"
Brad Aagaard
Carl Steefel
Clausen Pascal
Danyang Su
Dave A. May
David Dang
Veselin Dobrev
Dylan P. Brennan
Ed Bueler
Elias Karabelas
Fabian Jakub
Fande Kong
Glenn E. Hammond
"Guenther, Stefanie"
Hannah Mairs Morgan
Hapla Vaclav
Heeho Park
Hong Zhang
Hubert Weissmann
Ian Lin
Jacob Faibussowitsch
Jakub Kruzik
Jaysaval, Piyoosh
Jed Brown
Joe Wallwork
Jose E. Roman
Junchao Zhang
Karl Lin
Karl Rupp
Daniel Kokron
Lardelli Nicolo
Jeffery Larson
Leon Avery
Lisandro Dalcin
Magne Rudshaug
Manuel Colera Rico
Mark Adams
Matthew Knepley
Matthias Beaupere
Mohammad Asghar
Mouralidaran Arrutselvi
"Nair, Nirmal Jayaprasad"
Nick Papior
Oana Marin
Paolo Orsini
Patrick Sanan
Paul Seibert
Pierre Jolivet
Piyoosh Jaysaval
Prince Joseph
Richard Katz
Richard Tran Mills
Robert Nr Nourgaliev
Sajid Ali
Satish Balay
"Schanen, Michel"
Sergi Molins Rafa
Sophie Blondel
Stefano Zampini
Steve
Thibaut Appel
Tim Steinhoff
Todd Munson
Tom Goffrey
Vaclav Hapla
"Wells, David"
Xiangdong
Xiang Huang
Yuyun Yang
"Zhang, Hong"
"Zhang, Junchao"