We are pleased to announce the release of PETSc version 3.22.0 at https://petsc.org/release/download/

A list of the major changes and updates can be found at https://petsc.org/release/changes/322/

The final update to petsc-3.21 i.e petsc-3.21.6 is also available

We recommend upgrading to PETSc 3.22.0 soon. As always, please report problems to  petsc-maint@mcs.anl.gov  and ask questions at petsc-users@mcs.anl.gov

This release includes contributions from

Alexander Lindsay
Audic XU
Barry Smith
Blaise Bourdin
Brad Aagaard
Chris Kees
Chris Richardson
Daiane Iglesia Dolci
Darsh Nathawani
David Kamensky
David Salac
Eric Chamberland
Etienne Malaboeuf
Hansol Suh
Ilya Fursov
Iulian Grindeanu
Jack Betteridge
James Wright
Jed Brown
Jeremy L Thompson
Joe Wallwork
Jose Roman
Junchao Zhang
Koki Sagiyama
Lisandro Dalcin
liuyangzhuan
Lukas
Mark Adams
Martin Diehl
Matthew Knepley
mint Yzr
Mr. Hong Zhang
Namjae Choi
Pablo Brubeck
Pierre Jolivet
René Chenard
Richard Tran Mills
Sarah Ahmed
Satish Balay
Sebastian Grimberg
Stefano Zampini
Stephan Kramer
Toby Isaac
YANG Zongze
Zach Atkins

and bug reports/proposed improvements received from

Adrian Croucher
Alexandre Halbach
Cheng Tian Pei
Christophe Prudhomme
Christopher Douglas
Derek.Teaney
Eric Chamberland
Frank Bramkamp
Jose E. Roman
Junchao Zhang
Lisandro Dalcin
Mehmet Sahin
"Nelson, Lucas Horace"
Nick OBrien via petsc-users
Olivier Jamond
Pierre Marchand
Richard Katz
Rui Martins
Sebastian Blauth
Sreeram R Venkat
Yongzhong Li

As always, thanks for your support,

Barry