v10.23.0

ModelingToolkit v10.23.0

Diff since v10.22.0

Merged pull requests:

• Transformation function to turn FDEs into ODEs (#3776) (@fchen121)
• Allow system level metadata information (#3892) (@DhairyaLGandhi)
• Remove draft mode from documentation (#3933) (@hersle)
• CompatHelper: add new compat entry for OptimizationOptimJL at version 0.4 for package docs, (keep existing compat) (#3936) (@github-actions[bot])
• CompatHelper: add new compat entry for Optimization at version 4 for package docs, (keep existing compat) (#3937) (@github-actions[bot])
• Use matrix-dependent solver for sparse analytical Jacobian example (#3938) (@hersle)
• fix: fix sparse cost hessian (#3940) (@AayushSabharwal)
• build: bump minor version (#3941) (@AayushSabharwal)

Closed issues:

• Permit ComponentArrays as simulation condition (u0 + ps) (#3926)
• Documentation is built in draft mode and does not show example block output (#3932)

v10.22.0

ModelingToolkit v10.22.0

Diff since v10.21.0

Merged pull requests:

• fix: use improved discrete saving API (#3901) (@AayushSabharwal)
• build: bump minor version (#3918) (@AayushSabharwal)

Closed issues:

• ERROR: LoadError: Internal Error. Please open an issue with an MWE. (#3835)
• respecialize always promotes Float16 and Float32 to Float64 (#3908)
• Precompile Issue [?SomePackage] (#3909)
• ForwardDiff on ODE with callback crashes (#3914)

v10.21.0

ModelingToolkit v10.21.0

Diff since v10.20.0

Merged pull requests:

• feat: more robust inputs/outputs handling (#3795) (@AayushSabharwal)
• feat: add respecialize (#3900) (@AayushSabharwal)
• build: bump minor version (#3904) (@AayushSabharwal)

v10.20.0

ModelingToolkit v10.20.0

Diff since v10.19.0

Merged pull requests:

• Updated tests for the new behaviour of SymbolicUtils simplify function (#3893) (@Bumblebee00)
• fix: fix callback with non-Real parameter and non-empty unknowns (#3894) (@AayushSabharwal)
• feat: ensure causal connectors generate causally ordered equations (#3898) (@AayushSabharwal)
• build: bump minor version (#3899) (@AayushSabharwal)

v10.19.0

ModelingToolkit v10.19.0

Diff since v10.18.0

Merged pull requests:

• Fix cache issues with self-hosted runners (#3879) (@ChrisRackauckas-Claude)
• chore: add change_tunables (#3886) (@DhairyaLGandhi)
• Add missing API documentation for all exported symbols (#3887) (@ChrisRackauckas-Claude)
• test: avoid intermittent stack overflow in test (#3889) (@AayushSabharwal)
• fix: fix simplification of empty systems (#3890) (@AayushSabharwal)

Closed issues:

• Observed variables are computed even when unused (#2902)
• Allow subsetting tunables after system creation (#3772)

v10.18.0

ModelingToolkit v10.18.0

Diff since v10.17.0

Merged pull requests:

• feat: use LinearProblem for linear SCCs in SCCNonlinearProblem (#3760) (@AayushSabharwal)

v10.17.0

ModelingToolkit v10.17.0

Diff since v10.16.0

Merged pull requests:

• fix: fix single-element symbolic tstops (#3874) (@AayushSabharwal)
• CompatHelper: bump compat for ImplicitDiscreteSolve to 1, (keep existing compat) (#3880) (@github-actions[bot])
• fix deprecated ODEProblem syntax in Debugging.md (#3881) (@asinghvi17)
• refactor: mark several functions as public API (#3884) (@AayushSabharwal)
• Fix orientation getter (#3885) (@baggepinnen)

Closed issues:

• Control function doesn't work: BoundsError: attempt to access Tuple{Vector{Any}, Nothing} at index [3] (#3872)

v10.16.0

ModelingToolkit v10.16.0

Diff since v10.15.0

Merged pull requests:

• Add support for an external synchronous compiler to discrete and hybrid systems (#3399) (@BenChung)
• fix: fix @mtkbuild not working when @mtkcompile is not imported (#3841) (@AayushSabharwal)
• Forward split to mtkcompile (#3875) (@DhairyaLGandhi)
• fix: unwrap substitution rules in nlstep=true (#3877) (@AayushSabharwal)
• build: bump minor version (#3878) (@AayushSabharwal)

Closed issues:

• split not forwarded from generate_control_function (#3859)
• nlstep broken for modelingtoolkitize (#3876)

v10.15.0

ModelingToolkit v10.15.0

Diff since v10.14.0

Merged pull requests:

• fix: fix OptimizationFunction generation of exprs (#3844) (@AayushSabharwal)
• Apply JuliaFormatter v2 to fix formatting CI (#3845) (@ChrisRackauckas)
• Apply JuliaFormatter to fix code formatting (#3846) (@ChrisRackauckas)
• Remove outdated Julia version checks from tests (#3847) (@ChrisRackauckas)
• Remove nonlinearsolve as a dep by just using the default nonlinearsolve (#3851) (@ChrisRackauckas)
• Document EvalAt operator (#3852) (@ChrisRackauckas)
• Add downgrade CI workflow with InterfaceI test group (#3854) (@ChrisRackauckas)
• Fix deprecated ODESystem and @mtkbuild usage in documentation examples (#3856) (@ChrisRackauckas)
• Fix CI deprecation warnings (#3858) (@ChrisRackauckas)
• [ci-skip] Revert JuliaFormatter PR #3846 (#3860) (@ChrisRackauckas)
• Add solver kwargs to prob docstrings (#3861) (@ChrisRackauckas)
• Apply JuliaFormatter to fix code formatting (#3862) (@ChrisRackauckas)
• fix: fix incorrect metadata handling in symbolic affect simplification (#3868) (@AayushSabharwal)
• Add nlstep_compile as a debug tool for turning off simplification (#3873) (@ChrisRackauckas)

Closed issues:

• Support for Synchronous Systems (#3826)
• Document EvalAt (#3849)

v10.14.0

ModelingToolkit v10.14.0

Diff since v10.13.0

Merged pull requests:

• fix reorder_unknowns (#3833) (@baggepinnen)
• ci(tests): use the latest "pre-release" version of the reusable workflow (#3836) (@thazhemadam)
• update ForwardDiff to 1 (#3843) (@oscardssmith)

Closed issues:

• SDESystem example MTKv10.0.1 error (#3687)
• ModelingToolkit.reorder_unknowns() returns the wrong permutation? (#3814)