<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 3.23.0 at </span><a href="https://urldefense.us/v3/__https://petsc.org/release/download/__;!!G_uCfscf7eWS!a0q-xxi6OI04JYacFu8wytYNdM6lHNw4zmjvllaSGv_K-5sV4Lw-H_Fkwf91K_NJrEXtbNwRel9ZNIohp-UGEXIK$" style="font-size: 13px;">https://petsc.org/release/download/</a><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">A list of the major changes and updates can be found at </span><a href="https://urldefense.us/v3/__https://petsc.org/release/changes/323/__;!!G_uCfscf7eWS!a0q-xxi6OI04JYacFu8wytYNdM6lHNw4zmjvllaSGv_K-5sV4Lw-H_Fkwf91K_NJrEXtbNwRel9ZNIohp-hAF5Jr$" style="font-size: 13px;">https://petsc.org/release/changes/323/</a><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">The final update to petsc-3.22 i.e petsc-3.21.5 is also available</span><br style="font-size: 13px;"><br style="font-size: 13px;"><span style="font-size: 13px;">We recommend upgrading to PETSc 3.23.0 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><font size="2"><a href="mailto:petsc-users@mcs.anl.gov">petsc-users@mcs.anl.gov</a></font></div><div><br></div><div><font size="2">There are substantial improvements/changes to the PETSc Fortran bindings, please see Fortran at <a href="https://urldefense.us/v3/__https://petsc.org/release/changes/323/__;!!G_uCfscf7eWS!a0q-xxi6OI04JYacFu8wytYNdM6lHNw4zmjvllaSGv_K-5sV4Lw-H_Fkwf91K_NJrEXtbNwRel9ZNIohp-hAF5Jr$">https://petsc.org/release/changes/323/</a> and and <a href="https://urldefense.us/v3/__https://petsc.org/release/manual/fortran/__;!!G_uCfscf7eWS!a0q-xxi6OI04JYacFu8wytYNdM6lHNw4zmjvllaSGv_K-5sV4Lw-H_Fkwf91K_NJrEXtbNwRel9ZNIohpzuG6uW3$">https://petsc.org/release/manual/fortran/</a>. </font></div><div><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;">Alex Lindsay</span><br style="font-size: 13px;"><span style="font-size: 13px;">Bahaâ Eddine Sidi Hida</span><br style="font-size: 13px;"><span style="font-size: 13px;">Barry Smith</span><br style="font-size: 13px;"><span style="font-size: 13px;">Brandon</span><br style="font-size: 13px;"><span style="font-size: 13px;">Connor Ward</span><br style="font-size: 13px;"><span style="font-size: 13px;">Daniel Otto de Mentock</span><br style="font-size: 13px;"><span style="font-size: 13px;">Darsh Nathawani</span><br style="font-size: 13px;"><span style="font-size: 13px;">Ed Bueler</span><br style="font-size: 13px;"><span style="font-size: 13px;">Eric Chamberland</span><br style="font-size: 13px;"><span style="font-size: 13px;">Florent Pruvost</span><br style="font-size: 13px;"><span style="font-size: 13px;">Francesco Ballarin</span><br style="font-size: 13px;"><span style="font-size: 13px;">Hansol Suh</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;">Jeff-Hadley</span><br style="font-size: 13px;"><span style="font-size: 13px;">Jonas Heinzmann</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;">Josh Hope-Collins</span><br style="font-size: 13px;"><span style="font-size: 13px;">Junchao Zhang</span><br style="font-size: 13px;"><span style="font-size: 13px;">Kenneth E. Jansen</span><br style="font-size: 13px;"><span style="font-size: 13px;">Lisandro Dalcin</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;">Massimiliano Leoni</span><br style="font-size: 13px;"><span style="font-size: 13px;">Matthew Knepley</span><br style="font-size: 13px;"><span style="font-size: 13px;">Min RK</span><br style="font-size: 13px;"><span style="font-size: 13px;">Nuno Nobre</span><br style="font-size: 13px;"><span style="font-size: 13px;">Pierre Jolivet</span><br style="font-size: 13px;"><span style="font-size: 13px;">Raphael Zanella</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;">Rylanor</span><br style="font-size: 13px;"><span style="font-size: 13px;">Satish Balay</span><br style="font-size: 13px;"><span style="font-size: 13px;">Scott MacLachlan</span><br style="font-size: 13px;"><span style="font-size: 13px;">sdargavi</span><br style="font-size: 13px;"><span style="font-size: 13px;">Stefano Zampini</span><br style="font-size: 13px;"><span style="font-size: 13px;">Toby Isaac</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;">Alexander</span><br style="font-size: 13px;"><span style="font-size: 13px;">Gabriele Merlo</span><br style="font-size: 13px;"><span style="font-size: 13px;">Jacob Faibussowitsch</span><br style="font-size: 13px;"><span style="font-size: 13px;">Jose Roman</span><br style="font-size: 13px;"><a href="mailto:langtian.liu@icloud.com" style="font-size: 13px;">langtian.liu@icloud.com</a><br style="font-size: 13px;"><span style="font-size: 13px;">Lemon</span><br style="font-size: 13px;"><span style="font-size: 13px;">Pierre Jolivet</span><br style="font-size: 13px;"><span style="font-size: 13px;">Sebastien Gilles</span><br style="font-size: 13px;"><span style="font-size: 13px;">"Unnikrishnan, Umesh"</span><br style="font-size: 13px;"><span style="font-size: 13px;">Venkata Narayana Sarma Dhavala</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>