<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">We are pleased to announce the release of PETSc version 3.17.0 at </span><a href="https://petsc.org/release/download/" style="font-size: 13px;" class="">https://petsc.org/release/download/</a><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">A list of the major changes and updates can be found at </span><a href="https://petsc.org/release/docs/changes/317" style="font-size: 13px;" class="">https://petsc.org/release/docs/changes/317</a><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">The final update to petsc-3.16 i.e petsc-3.16.6 is also available</span><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">We recommend upgrading to PETSc 3.17.0 soon. As always, please report problems to </span><a href="mailto:petsc-maint@mcs.anl.gov" style="font-size: 13px;" class="">petsc-maint@mcs.anl.gov</a><span style="font-size: 13px;" class=""> and ask questions at </span><a href="mailto:petsc-users@mcs.anl.gov" style="font-size: 13px;" class="">petsc-users@mcs.anl.gov</a><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">This release includes contributions from</span><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Alp Dener</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Barry Smith</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Blaise Bourdin</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Connor Ward</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Daniel Finn</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Dave May</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">David Wells</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">dr-robertk</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Fande Kong</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Francesco Ballarin</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Getnet</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Grzegorz Mazur</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Heeho Park</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Hofer-Julian</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Hong Zhang</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jacob Faibussowitsch</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jed Brown</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jeremy L Thompson</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Joe Pusztay</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Joe Wallwork</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Johann Rudi</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jørgen Dokken</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jose Roman</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Junchao Zhang</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Koki Sagiyama</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Lawrence Mitchell</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Lisandro Dalcin</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Mark Adams</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Martin Diehl</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Matthew Knepley</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Matt McGurn</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Mr. Hong Zhang</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Nicolas Barnafi</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Nicolas Barral</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Pablo Brubeck</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Patrick Sanan</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Paul Bartholomew</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Pierre Jolivet</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Rey Koki</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Richard Tran Mills</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Romain Beucher</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Satish Balay</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Scott Kruger</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Sebastian Grimberg</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Stefano Zampini</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Toby Isaac</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Vaclav Hapla</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Xiangmin Jiao</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Zongze Yang</span><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">and bug reports/patches/proposed improvements received from</span><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Adem Candas</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Adina Püsök</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Dave May</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">David Horák</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">David Trebotich</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">"Deij-van Rijswijk, Menno"</span><br style="font-size: 13px;" class=""><a href="mailto:edgar@openmail.cc" style="font-size: 13px;" class="">edgar@openmail.cc</a><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Elias Karabelas</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Fabio Rossi</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Fande Kong</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Getnet Betrie</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Giovane Avancini</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Gregory Walton</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">"Hammond, Glenn E"</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jacob Faibussowitsch</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jed Brown</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jin Chen</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Jose E. Roman</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Junchao Zhang</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Karthikeyan Chockalingam - STFC UKRI</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">"Kaus, Boris"</span><br style="font-size: 13px;" class=""><a href="mailto:liang@geoazur.unice.fr" style="font-size: 13px;" class="">liang@geoazur.unice.fr</a><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Lisandro Dalcin</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Marco Cisternino</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Marius Buerkle</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Mark Adams</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Milan Pelletier</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Paul Bauman</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Pierre Jolivet</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Pierre Seize</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Qin C</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Satish Balay</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Sharan Roongta</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Stefano Zampini</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Thomas Vasileiou</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Victor Eijkhout</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">"Williams, Timothy J."</span><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Xiaoye S. Li</span><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">As always, thanks for your support,</span><br style="font-size: 13px;" class=""><br style="font-size: 13px;" class=""><span style="font-size: 13px;" class="">Barry</span></body></html>