We are pleased to announce the release of PETSc version 3.21.0 at https://urldefense.us/v3/__https://petsc.org/release/download/__;!!G_uCfscf7eWS!eYJ4I4DyRSmpyGr66cTWnTsPF_K-dLY6xDA_znXt4dYB-KDtxykopISUhT4RK_hB0ljDEzelUUGxjML3npkg5jU$
A list of the major changes and updates can be found at https://urldefense.us/v3/__https://petsc.org/release/changes/321/__;!!G_uCfscf7eWS!eYJ4I4DyRSmpyGr66cTWnTsPF_K-dLY6xDA_znXt4dYB-KDtxykopISUhT4RK_hB0ljDEzelUUGxjML3X-Mnvnc$ The final update to petsc-3.20 i.e., petsc-3.20.6 is also available. We recommend upgrading to PETSc 3.21.0 soon. As always, please report problems to petsc-ma...@mcs.anl.gov <mailto:petsc-ma...@mcs.anl.gov> and ask questions at petsc-users@mcs.anl.gov <mailto:petsc-users@mcs.anl.gov> A reminder that releases are at the end of March and September each year. This release includes contributions from Albert Cowie Alex Lindsay Barry Smith Blanca Mellado Pinto David Andrs David Kamensky David Wells Fabien Evard Fande Kong Hansol Suh Hong Zhang Ilya Fursov James Wright Jed Brown Jeongu Kim Jeremy L Thompson Jeremy Theler Jose Roman Junchao Zhang Koki Sagiyama Lars Bilke Lisandro Dalcin Mark Adams Martin Diehl Massimiliano Leoni Matthew Knepley Matt McGurn Mr. Hong Zhang Nils Friess Pablo Brubeck Pierre Jolivet René Chenard Rezgar Shakeri Richard Tran Mills Satish Balay Sebastian Grimberg Stefano Zampini Stephan Köhler Toby Isaac YANG Zongze Zach Atkins and bug reports/proposed improvements received from Alain O' Miniussi Benjamin Sturdevant Damian Marek David Bold Fabian Wermelinger Fabien Evrard Gerard Henry Gourav Kumbhojkar Glenn Hammond Hana Honnerová Hao Luo Henrik Büsing Ilya Fursov Jeremy Theler Jesse Madsen Jose Roman Kevin G. Wang Mark Adams Mehmet Sahin Miguel Angel Salazar de Troya Niclas Götting Pierre Jolivet Simone Scacchi Victor Eijkhout Timothy J. Williams Yi Hu As always, thanks for your support, Barry
