We are pleased to announce the - next PETSc users meeting, June 5-7, 2023, in Chicago on the campus of IIT (mark your calendars, further information will be forthcoming soon) and the - release of PETSc version 3.18.0 at https://petsc.org/release/install/download/ <https://petsc.org/release/install/download/>. This release includes + far more extensive solvers on GPUs, including an efficient MatSetValuesCOO() for setting matrix values directly on the GPU + improved interfaces to Kokkos, so user GPU code can now be written in Kokkos, CUDA, or HIP. + vastly improved documentation at petsc.org with a more comprehensive user manual and better search capabilities (due to Patrick Sanan) We recommend upgrading to PETSc 3.18.0 soon. As always, please report problems to [email protected] <mailto:[email protected]> and ask questions at [email protected] <mailto:[email protected]> A list of the major changes and updates can be found at https://petsc.org/release/docs/changes/318 <https://petsc.org/release/docs/changes/318> The final update to petsc-3.17 i.e petsc-3.17.5 is also available This release includes contributions from AdelekeBankole Aidan Hamilton Albert Cowie Alexis Marboeuf Barry Smith Blaise Bourdin Dave May David Andrs David Wells Fande Kong ftrigaux Getnet Betrie Hong Zhang Jacob Faibussowitsch James Wright JDBetteridge Jed Brown Jeremy L Thompson Joe Wallwork Jose Roman Junchao Zhang Justin Chang Kaushik Kulkarni Kerry Key Koki Sagiyama Lawrence Mitchell Lisandro Dalcin Mark Adams Martin Diehl Matthew Knepley Matthew Woehlk Min RK Mr. Hong Zhang Patrick Farrell Patrick Sanan Pierre Jolivet Richard Tran Mills Romain Beucher Satish Balay Scott Kruger Stefano Zampini suyashtn Toby Isaac Todd Munson Umberto Zerbinati Vaclav Hapla Zongze Yang and bug reports/proposed improvements received from Brad Aagaard Abylay Zhumekenov Aidan Hamilton Alfredo J Duarte Gomez Bro H Collins, Eric Benjamin Dudson Ed Bueler Erhan Turan Eric Chamberland Fackler, Philip [email protected] <mailto:[email protected]> Glenn Hammond Henrik Büsing Jacob Simon Merson Jesper Lund-Carlson Jin Chen John Snyder Jose E. Roman Kaustubh Khedkar Lisandro Dalcin Lucas Banting Matthew Knepley Nicolas Berlie Nicolas Tardieu Robert Nourgaliev Olivier Jamond Patrick Sanan Pierre Jolivet Rafel Amer Ramon Randall J LeVeque Richard F. Katz Sanjay Govindjee [email protected] <mailto:[email protected]> Sidarth Narayanan Stefano Zampini TAY wee-beng Victor Eijkhout Victoria Hamtiaux Xiaoye S. Li Xu Hui Yang Liu Ye Changqing Zakariae Jorti