The Kinetic Preprocessor (KPP) 3.3.0

Release date: 17 Jul 2025

From CHANGELOG.md

Added

• Added new integrator: rosenbrock_h211b_qssa.f90
• Added new C-I tests: F90_ros_h211b, F90_mcm_h211b
• Added run_example.csh and run_example.sh scripts for the mcm and mcm_h211b examples

Pull requests included

• Add Rosenbrock_H211b integrator by @yantosca in #124

Full Changelog: 3.2.1...3.3.0

The Kinetic PreProcessor (KPP) 3.2.1

Release date: 06 May 2025

From CHANGELOG.md

Added

• Added documentation in the #INITVALUES section about using Fortran d (double precision) exponents
• Added C-I test F90_feuler, using the Forward Euler integrator
• Added carbon gases mechanism (models/carbon.*)

Changed

• Updated .ci-pipelines/build-testing.yml to use ubuntu-24.04 instead of ubuntu-20.04 container for Azure C-I tests
• Updated jinja2 to version 3.1.6 (for ReadTheDocs) to fix a security issue identified by @dependabot

Fixed

• Fixed parsing of #INITVALUES section to allow Fortran d (double-precision) exponents
• Updated int/feuler.f90 to return the Texit value as RSTATUS(1) (this was not being done)

Pull requests included

• Allow constants in #INITVALUES to have Fortran double-precision d exponents by @yantosca in #134
• Return Texit from the Forward Euler (feuler) integrator and add corresponding C-I test by @yantosca in #136

Full Changelog: 3.2.0...3.2.1

The Kinetic PreProcessor (KPP) 3.2.0

Release Date: 27 Feb 2025

From CHANGELOG.md

Added

• Added new inline key F90_RCONST_USE in src/gdata.h and src/scanner.c
• Added documentation about F90_RCONST_USE for ReadTheDocs
• Added F90_RCONST_USE inlined code to Update_RConstand Update_Photo routines
• Added warning that LSODE is not thread-safe to ReadTheDocs documentation

Changed

• Updated Update_RCONST to use Y instead of C to account for updated variable species concentrations
• Updated C-I tests to print the compiler versions that are used
• Updated routine GenerateUpdateRconst to manually write the SUBROUTINE and END SUBROUTINE lines (F90 only)
• Updated routine GenerateUpdateRconst to inline code from #INLINE F90_RCONST_USE before any other F90 variable declarations or statements
• Updated .gitignore to ignore all executable files
• Changed Begin INLINED RCONST - F90 USE STATEMENTS to Begin inlined code from F90_RCONST_USE in src/gen.c
• Changed inlined code comments to be more precise (e.g. Begin inlined code from F90_RCONST) in src/gen.c
• Updated Flex library installation example on ReadTheDocs
• Renamed int/beuler.f90 to the int/sdirk.f90, as this is a newer version of the SDIRK integrator
• Updated documentation for Backwards Euler to instruct user to select #INTEGRATOR sdirk with ICNTRL(3) = 6
• Updated ReadTheDocs dependencyjinja2 to version 3.1.5 (fixes a security issue)

Fixed

• Added char* rootFileName to functions and function prototypes for Use_C, Use_F, Use_F90, Use_MATLAB, and Generate
• Updated docs/requirements.txt to use jinja2==3.1.4 (fixes a security issue)
• Moved USE constants_mcm from F90_RCONST to F90_RCONST_USE in examples/mcm/mcm_isoprene.eqn
• Fixed MacOS-specific handling for x86_64 or arm64 in src/Makefile.defs

Removed

• Removed int/beuler.f90
• Removed int/beuler.def

Pull requests included

• Update function prototypes to avoid compiler warnings with GCC 13 by @yantosca in #103
• Use Y instead of C in Update_RCONST by @srosanka in #106
• Add code from #INLINE F90_RCONST_USE at the top of the UPDATE_RCONST subroutine by @yantosca in #120
• consistent comments for inlined Code by @RolfSander in #122
• Add inlined code in the #INLINE F90_RCONST_USE block to the Update_Photo routine by @yantosca in #125
• Update int/sdirk.f90 to the same version as was in int/beuler.f90 by @yantosca in #130
• Fixed MacOS-specific handling for x86_64 or arm64 by @yantosca in #127

New Contributors

• @srosanka made their first contribution in #106

Full Changelog: 3.1.1...3.2.0

The Kinetic PreProcessor (KPP) 3.1.1

Release Date: 30 Apr 2024

CHANGELOG

Changed

• Updated Python package versions for ReadTheDocs in docs/requirements.txt
• Now request Python 3.12 for ReadTheDocs builds in .readthedocs.yaml
• Updated MAX_NO_OF_LINES to 2000 to parse the MCM mechanism
• Updaeed MAX_EQN to 18000 to parse the MCM mechanism

Fixed

• Now only add tha extra Aout argument to Fun and Fun_Split for F90 (see issues #56, #96)

Full Changelog: 3.1.0...3.1.1

The Kinetic PreProcessor (KPP) 3.1.0

Release Date: 20 Dec 2023

CHANGELOG

Added

• #AUTOREDUCE has been added to the list of KPP commands in the ReadTheDocs documentaton
• Added examples/mcm folder with minimal example for the Master Chemical Mechanism
• Added C-I test for MCM, based on the minimal example

Removed

• TRANSPORT and TRANSPORTALL input options; these were obsolete
• LUMP input option; this was obsolete
• DEFRAD, SETRAD, INITIALIZE, XGRID, YGRID, ZGRID, WRITE_OPT, RUN, USE, USES; these were obsolete

Full Changelog: 3.0.2...3.1.0

The Kinetic PreProcessor (KPP) 3.0.2

Release Date: 12 Jun 2023

CHANGELOG

Added

• Added .readthedocs.yaml for configuring ReadTheDocs builds
• Added a ReadTheDocs badge in README.md
• State that #INTEGRATOR none statements should be removed in RTD documentation

Changed

• Added pybtex and pybtex-docutils to the docs/requirements.txt

Fixed

• Minor issues in site-lisp/kpp.el file for Emacs

Full Changelog: 3.0.1...3.0.2

The Kinetic PreProcessor (KPP) 3.0.1

Release date: 21 Mar 2023

CHANGELOG

Added

• Add CITATION.cff by @zmoon in #74

Changed

• Update citation for KPP 3.0.0 paper by @jimmielin in #68

Fixed

• GenerateJacReactantProd(): change arrays from static allocation to dynamic by @obin1 in #67

New Contributors

• @obin1 made their first contribution in #67
• @zmoon made their first contribution in #74

Full Changelog: 3.0.0...3.0.1

The Kinetic PreProcessor (KPP) 3.0.0

Release date: 09 Nov 2022

What's Changed

• Cleanup in auto-reduce code and added a rosenbrock_autoreduce test by @jimmielin in #49
• C-I tests folders have been renamed for clarity by @yantosca
• Documentation improvements for 3.0.0: Auto-reduction solver and State_Het by @jimmielin in #51
• Cleanup util by @RolfSander in #52
• Updates for C-language output by @yantosca in #53
• Add Ubuntu x86_64 FLEX_LIB_DIR into Makefile.defs by @jimmielin in #55
• Makefile.defs now uses KPP_FLEX_LIB_DIR instead of FLEX_LIB_DIR by @yantosca
• Remove Vdotout functionality by @jimmielin in #54
• FIX must be the 2nd argument passed to FUN in int/feuler.f90 (plus doc updates) by @yantosca in #61

Full Changelog: 2.6.0...3.0.0

The Kinetic PreProcessor (KPP) 3.0.0-rc.4

Release Date 18 Oct 2022

What's Changed

• FIX must be the 2nd argument passed to FUN in int/feuler.f90 (plus doc updates) by @yantosca in #61

Full Changelog: 3.0.0-rc.3...3.0.0-rc.4

The Kinetic PreProcessor (KPP) 3.0.0-rc.3

Release date 27 Jul 2022

Added

• All authors from Lin et al 2022 (the KPP 3.0.0 paper) have been added as authors on ReadTheDocs and in the .zenodo.json file
• Updated version number to 3.0.0-rc.3 in src/gdata.h