<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><br></div><div><span style="font-size: 13px;">We are pleased to announce the release of PETSc version 3.22.0 at </span><a href="https://urldefense.us/v3/__https://petsc.org/release/download/__;!!G_uCfscf7eWS!bXkkk84oS5mc65RT9pvzbJJOcqwIII2FeYksMUT7WSki552oD55C8jQ3xwT_sVS4e2dJ2idgUUWFf50aqPJfiPM$" style="font-size: 13px;">https://petsc.org/release/download/</a><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">A list of the major changes and updates can be found at </span><a href="https://urldefense.us/v3/__https://petsc.org/release/changes/322/__;!!G_uCfscf7eWS!bXkkk84oS5mc65RT9pvzbJJOcqwIII2FeYksMUT7WSki552oD55C8jQ3xwT_sVS4e2dJ2idgUUWFf50aBobzQd8$" style="font-size: 13px;">https://petsc.org/release/changes/322/</a><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">The final update to petsc-3.21 i.e petsc-3.21.6 is also available</span><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">We recommend upgrading to PETSc 3.22.0 soon. As always, please report problems to </span><a href="mailto:petsc-maint@mcs.anl.gov" style="font-size: 13px;">petsc-maint@mcs.anl.gov</a><span style="font-size: 13px;"> and ask questions at </span><a href="mailto:petsc-users@mcs.anl.gov" style="font-size: 13px;">petsc-users@mcs.anl.gov</a><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">This release includes contributions from</span><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">Alexander Lindsay</span><br style="font-size: 13px;"><span style="font-size: 13px;">Audic XU</span><br style="font-size: 13px;"><span style="font-size: 13px;">Barry Smith</span><br style="font-size: 13px;"><span style="font-size: 13px;">Blaise Bourdin</span><br style="font-size: 13px;"><span style="font-size: 13px;">Brad Aagaard</span><br style="font-size: 13px;"><span style="font-size: 13px;">Chris Kees</span><br style="font-size: 13px;"><span style="font-size: 13px;">Chris Richardson</span><br style="font-size: 13px;"><span style="font-size: 13px;">Daiane Iglesia Dolci</span><br style="font-size: 13px;"><span style="font-size: 13px;">Darsh Nathawani</span><br style="font-size: 13px;"><span style="font-size: 13px;">David Kamensky</span><br style="font-size: 13px;"><span style="font-size: 13px;">David Salac</span><br style="font-size: 13px;"><span style="font-size: 13px;">Eric Chamberland</span><br style="font-size: 13px;"><span style="font-size: 13px;">Etienne Malaboeuf</span><br style="font-size: 13px;"><span style="font-size: 13px;">Hansol Suh</span><br style="font-size: 13px;"><span style="font-size: 13px;">Ilya Fursov</span><br style="font-size: 13px;"><span style="font-size: 13px;">Iulian Grindeanu</span><br style="font-size: 13px;"><span style="font-size: 13px;">Jack Betteridge</span><br style="font-size: 13px;"><span style="font-size: 13px;">James Wright</span><br style="font-size: 13px;"><span style="font-size: 13px;">Jed Brown</span><br style="font-size: 13px;"><span style="font-size: 13px;">Jeremy L Thompson</span><br style="font-size: 13px;"><span style="font-size: 13px;">Joe Wallwork</span><br style="font-size: 13px;"><span style="font-size: 13px;">Jose Roman</span><br style="font-size: 13px;"><span style="font-size: 13px;">Junchao Zhang</span><br style="font-size: 13px;"><span style="font-size: 13px;">Koki Sagiyama</span><br style="font-size: 13px;"><span style="font-size: 13px;">Lisandro Dalcin</span><br style="font-size: 13px;"><span style="font-size: 13px;">liuyangzhuan</span><br style="font-size: 13px;"><span style="font-size: 13px;">Lukas</span><br style="font-size: 13px;"><span style="font-size: 13px;">Mark Adams</span><br style="font-size: 13px;"><span style="font-size: 13px;">Martin Diehl</span><br style="font-size: 13px;"><span style="font-size: 13px;">Matthew Knepley</span><br style="font-size: 13px;"><span style="font-size: 13px;">mint Yzr</span><br style="font-size: 13px;"><span style="font-size: 13px;">Mr. Hong Zhang</span><br style="font-size: 13px;"><span style="font-size: 13px;">Namjae Choi</span><br style="font-size: 13px;"><span style="font-size: 13px;">Pablo Brubeck</span><br style="font-size: 13px;"><span style="font-size: 13px;">Pierre Jolivet</span><br style="font-size: 13px;"><span style="font-size: 13px;">René Chenard</span><br style="font-size: 13px;"><span style="font-size: 13px;">Richard Tran Mills</span><br style="font-size: 13px;"><span style="font-size: 13px;">Sarah Ahmed</span><br style="font-size: 13px;"><span style="font-size: 13px;">Satish Balay</span><br style="font-size: 13px;"><span style="font-size: 13px;">Sebastian Grimberg</span><br style="font-size: 13px;"><span style="font-size: 13px;">Stefano Zampini</span><br style="font-size: 13px;"><span style="font-size: 13px;">Stephan Kramer</span><br style="font-size: 13px;"><span style="font-size: 13px;">Toby Isaac</span><br style="font-size: 13px;"><span style="font-size: 13px;">YANG Zongze</span><br style="font-size: 13px;"><span style="font-size: 13px;">Zach Atkins</span><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">and bug reports/proposed improvements received from</span><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">Adrian Croucher</span><br style="font-size: 13px;"><span style="font-size: 13px;">Alexandre Halbach</span><br style="font-size: 13px;"><span style="font-size: 13px;">Cheng Tian Pei</span><br style="font-size: 13px;"><span style="font-size: 13px;">Christophe Prudhomme</span><br style="font-size: 13px;"><span style="font-size: 13px;">Christopher Douglas</span><br style="font-size: 13px;"><span style="font-size: 13px;">Derek.Teaney</span><br style="font-size: 13px;"><span style="font-size: 13px;">Eric Chamberland</span><br style="font-size: 13px;"><span style="font-size: 13px;">Frank Bramkamp</span><br style="font-size: 13px;"><span style="font-size: 13px;">Jose E. Roman</span><br style="font-size: 13px;"><span style="font-size: 13px;">Junchao Zhang</span><br style="font-size: 13px;"><span style="font-size: 13px;">Lisandro Dalcin</span><br style="font-size: 13px;"><span style="font-size: 13px;">Mehmet Sahin</span><br style="font-size: 13px;"><span style="font-size: 13px;">"Nelson, Lucas Horace"</span><br style="font-size: 13px;"><span style="font-size: 13px;">Nick OBrien via petsc-users</span><br style="font-size: 13px;"><span style="font-size: 13px;">Olivier Jamond</span><br style="font-size: 13px;"><span style="font-size: 13px;">Pierre Marchand</span><br style="font-size: 13px;"><span style="font-size: 13px;">Richard Katz</span><br style="font-size: 13px;"><span style="font-size: 13px;">Rui Martins</span><br style="font-size: 13px;"><span style="font-size: 13px;">Sebastian Blauth</span><br style="font-size: 13px;"><span style="font-size: 13px;">Sreeram R Venkat</span><br style="font-size: 13px;"><span style="font-size: 13px;">Yongzhong Li</span><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">As always, thanks for your support,</span><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">Barry</span></div></body></html>