2025.3

What's Changed

• Raise a warning for unused petsc options in OptionsManager. by @JHopeCollins in #21
• allow custom default options prefix by @JHopeCollins in #22
• BUGFIX: options_left is a bool not an int by @JHopeCollins in #23
• PCBase base class for python type preconditioners by @JHopeCollins in #25

Full Changelog: 2025.2...2025.3

2025.2

What's Changed

• petsctools.init returns petsc4py.PETSc by @JHopeCollins in #15
• Add petsctools website by @connorjward in #17
• Add citations management functions by @connorjward in #14
• Ensure that PETSc initialisation is lazy by @connorjward in #18

Full Changelog: v2025.1...2025.2

v2025.1

What's Changed

• Convenience functions to associate each OptionsManager to a specific PETSc Object by @JHopeCollins in #7
• Fail nicely when trying to use petsc4py methods without petsc4py available by @connorjward in #6
• Make PETSC_DIR check robust to trailing slash by @connorjward in #9
• Add free function for OptionsManager.set_default_parameter by @JHopeCollins in #10
• add set_default_parameter to init by @JHopeCollins in #11

New Contributors

• @JHopeCollins made their first contribution in #7

Full Changelog: v2025.0...v2025.1

v2025.0

What's Changed

• Make petsc4py optional by @connorjward in #1
• Add the options manager by @connorjward in #3
• Change license to LGPL 3 or later by @connorjward in #4
• Do not import PETSc at the top-level by @connorjward in #5

New Contributors

• @connorjward made their first contribution in #1

Full Changelog: https://github.com/firedrakeproject/petsctools/commits/v2025.0