v10.8.0

ModelingToolkit v10.8.0

Diff since v10.7.0

Merged pull requests:

• fix linearization t0 and bump di (#3733) (@oscardssmith)
• [v9] fix: retain events and metadata in substitute (#3770) (@AayushSabharwal)
• fix: fix handling of loop openings for systems that are nonlinear in the inputs (#3774) (@AayushSabharwal)
• Trivial optimization in generate_initializesystem (#3779) (@hersle)
• CompatHelper: bump compat for BifurcationKit in [weakdeps] to 0.5, (keep existing compat) (#3783) (@github-actions[bot])
• CompatHelper: bump compat for BifurcationKit to 0.5 for package docs, (keep existing compat) (#3784) (@github-actions[bot])
• build: bump minor version (#3793) (@AayushSabharwal)

Closed issues:

• Constantify a parameter - New feature request (#1989)
• MTKv10 discussion (#3204)
• Error when precompling MTK: Failed to precompile JuliaFormatter (#3785)

v9.81.1

ModelingToolkit v9.81.1

Diff since v9.81.0

This release has been identified as a backport.
Automated changelogs for backports tend to be wildly incorrect.
Therefore, the list of issues and pull requests is hidden.

v9.81.0

ModelingToolkit v9.81.0

Diff since v9.80.6

This release has been identified as a backport.
Automated changelogs for backports tend to be wildly incorrect.
Therefore, the list of issues and pull requests is hidden.

v10.7.0

ModelingToolkit v10.7.0

Diff since v10.6.0

Merged pull requests:

• [v9] fix: enable support for complex ODEProblem again (#3768) (@AayushSabharwal)
• fix: retain events and metadata in substitute (#3769) (@AayushSabharwal)
• [v9] feat: significantly improve performance of *Problem generation (#3771) (@AayushSabharwal)
• feat: implement isapprox for systems (#3777) (@AayushSabharwal)
• fix: add Complex to check floating point sym (#3781) (@oameye)
• correct sys.mass_a to sys.mass_a in FMU example (#3782) (@maysam-gholampour)
• build: bump minor version (#3786) (@asinghvi17)

Closed issues:

• substitute deletes events and metadata (#3731)
• Installation of package gets stuck (#3767)

v10.6.0

ModelingToolkit v10.6.0

Diff since v10.5.0

Merged pull requests:

• refactor: significantly improve performance of *Problem generation (#3751) (@AayushSabharwal)
• build: bump minor version (#3773) (@AayushSabharwal)

v10.5.0

ModelingToolkit v10.5.0

Diff since v10.4.0

Merged pull requests:

• ci: fix benchmark script (#3704) (@AayushSabharwal)
• Ensure DDEs are univariate (#3745) (@hersle)
• Pass along allow_input_derivatives (#3750) (@baggepinnen)
• fix: fix get_updated_symbolic_problem (#3753) (@AayushSabharwal)
• [v9] fix: fix get_updated_symbolic_problem (#3754) (@AayushSabharwal)
• CompatHelper: bump compat for CairoMakie to 0.15 for package docs, (keep existing compat) (#3756) (@github-actions[bot])
• Fix plot in perturbation example (#3758) (@hersle)
• fix: do not add redundant var ~ 0 equations in underdetermined systems (#3759) (@AayushSabharwal)
• allow DataInterpolations@7 (#3761) (@oscardssmith)
• remove DataInterpolationsv6 and update tests (#3762) (@oscardssmith)
• fix: enable support for complex ODEProblem again (#3764) (@oameye)
• fix: spelling typos (#3765) (@oameye)
• build: bump minor version (#3766) (@AayushSabharwal)

Closed issues:

• Catalyst issue for remake on SDEProblems (alias_elimination! related?) (#3302)
• getsym fails with observed multivariate ODE variable (#3737)
• Docs: Perturbation example figure broken by v10 (#3757)
• MTK doesn't support complex equations of motion since MTK@v9.73 (#3763)

v9.80.6

ModelingToolkit v9.80.6

Diff since v9.80.5

This release has been identified as a backport.
Automated changelogs for backports tend to be wildly incorrect.
Therefore, the list of issues and pull requests is hidden.

v10.4.0

ModelingToolkit v10.4.0

Diff since v10.3.0

Merged pull requests:

• switch parse_costs! and parse_constraints (#3735) (@ctessum)
• refactor: rewrite connection expansion implementation (#3736) (@AayushSabharwal)
• fix: fix non-numeric parameters in callbacks, distribute_shift for called parameters (#3740) (@AayushSabharwal)
• fix some dynamic opt docstrings/API page (#3742) (@vyudu)
• docs: fix FAQ docs, improve analysis point error message (#3743) (@AayushSabharwal)
• fix: fix deprecated @brownian not working properly (#3744) (@AayushSabharwal)
• fix: appropriately toterm defaults when creating DiscreteProblem (#3746) (@AayushSabharwal)
• feat: add is_transparent_operator trait (#3747) (@AayushSabharwal)
• feat: better handle loop opening defaults (#3748) (@AayushSabharwal)
• build: bump minor version (#3749) (@AayushSabharwal)

Closed issues:

• Imperative affect doesn't work with callable parameter (#3729)

v10.3.0

ModelingToolkit v10.3.0

Diff since v10.2.0

Merged pull requests:

• output extra information from linearization (#3429) (@baggepinnen)
• feat: PyomoDynamicOptProblem, docs (#3676) (@vyudu)
• DE Transformation (Change of Variables) (#3695) (@fchen121)
• feat: allow calling generate_control_function with unsimplified system (#3699) (@AayushSabharwal)
• fix: fix namespacing of variables of variables (#3711) (@AayushSabharwal)
• docs: make docs build (#3713) (@AayushSabharwal)
• fix: ensure => nothing overrides defaults (#3714) (@AayushSabharwal)
• feat: add LinearProblem codegen (#3717) (@AayushSabharwal)
• CompatHelper: add new compat entry for InfiniteOpt at version 0.5 for package docs, (keep existing compat) (#3718) (@github-actions[bot])
• CompatHelper: add new compat entry for Ipopt at version 1 for package docs, (keep existing compat) (#3719) (@github-actions[bot])
• CompatHelper: add new compat entry for CommonSolve at version 0.2 for package docs, (keep existing compat) (#3720) (@github-actions[bot])
• CompatHelper: add new compat entry for DiffEqDevTools at version 2 for package docs, (keep existing compat) (#3721) (@github-actions[bot])
• CompatHelper: add new compat entry for JumpProcesses at version 9 for package docs, (keep existing compat) (#3722) (@github-actions[bot])
• fix: do not unwrap initials in initializeprobpmap (#3724) (@AayushSabharwal)
• docs: improve documentation (#3725) (@AayushSabharwal)
• Add Dynamic Optimization to the pages (#3726) (@ChrisRackauckas)
• Documentation for Change of Variables (#3732) (@fchen121)
• build: bump minor version (#3741) (@AayushSabharwal)

Closed issues:

• Dependent parameters disappear from system parameters (#3507)
• in v10.2.0 @Constants errors "ArgumentError: c is present in the system but c is not an unknown." (#3712)
• Non-essential code runs during initialization (#3723)

v10.2.0

ModelingToolkit v10.2.0

Diff since v10.1.0

Merged pull requests:

• fix: handle non-split systems in initial value promotion (#3690) (@AayushSabharwal)
• Fix docstring of get_p (#3691) (@baggepinnen)
• [v9] fix: fix major compile time regression due to concrete_getu (#3692) (@AayushSabharwal)
• fix: fix major compile time regression due to concrete_getu (#3693) (@AayushSabharwal)
• [v9] fix: remove CSE hack, fix unscalarized variables in initializeprobpmap (#3696) (@AayushSabharwal)
• fix: remove CSE hack, fix unscalarized variables in initializeprobpmap (#3697) (@AayushSabharwal)
• [v9] hotfix: fix new implementation of concrete_getu (#3698) (@AayushSabharwal)
• ci: add benchmark CI (#3700) (@AayushSabharwal)
• fix: fix get_mtkparameters_reconstructor handling of nonnumerics (#3702) (@AayushSabharwal)
• fix: fix discrete system simplification (#3703) (@AayushSabharwal)
• fix: properly retain defaults in generate_initializesystem (#3705) (@AayushSabharwal)