v11.3.0

ModelingToolkit v11.3.0

Diff since v11.2.0

Merged pull requests:

• remove OrdinaryDiffEqCore dep (#4065) (@oscardssmith)
• feat: use new source tracking functionality (#4068) (@AayushSabharwal)
• build: bump versions (#4070) (@AayushSabharwal)

v11.2.0

ModelingToolkit v11.2.0

Diff since v11.1.0

Merged pull requests:

• feat: propagate equation source information through expand_connections (#4059) (@AayushSabharwal)
• build: bump MTKBase minor version (#4062) (@AayushSabharwal)
• ci: do not dev packages in CI script (#4063) (@AayushSabharwal)
• fix: add Julia 1.10 compatibility for Base.ispublic (#4067) (@ChrisRackauckas-Claude)

Closed issues:

• 10.31.1 has issues with variable and equation counts (#4048)
• Observed variables fail with world age error when eval_expression = true (#4069)

v11.1.0

ModelingToolkit v11.1.0

Diff since v11.0.0

Merged pull requests:

• refactor: improve precompile-friendliness (#4044) (@AayushSabharwal)
• feat: add trivial form of tearing to MTKBase's mtkcompile (#4049) (@AayushSabharwal)
• remove unused OrdinaryDiffEqCore dep (#4053) (@oscardssmith)
• CompatHelper: bump compat for OrdinaryDiffEqCore in [extras] to 2, (keep existing compat) (#4054) (@github-actions[bot])
• ci: run ci on PRs to backport-v10 (#4055) (@AayushSabharwal)
• fix: allow Holds to be recognized as discrete (#4056) (@AayushSabharwal)
• build: bump patch version (#4057) (@asinghvi17)
• Fix trivial typo in documentation (#4058) (@MagicMuscleMan)
• build: bump MTK and MTKBase versions (#4060) (@AayushSabharwal)

Closed issues:

• Large allocations with MTK event (#4015)

v10.31.2

ModelingToolkit v10.31.2

Diff since v10.31.1

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.

v11.0.0

ModelingToolkit v11.0.0

Diff since v10.31.1

Please refer to NEWS.md for a descriptive overview of the changes in this breaking release.

Merged pull requests:

• docs: add release notes (#4050) (@AayushSabharwal)

Closed issues:

• Linearization with bigfloat (#3752)

v10.31.1

ModelingToolkit v10.31.1

Diff since v10.31.0

Merged pull requests:

• build(deps): bump actions/checkout from 5 to 6 (#4043) (@dependabot[bot])
• docs: fix incorrect claim about NonlinearSystem in initialization tutorial (#4046) (@ChrisRackauckas-Claude)
• fix: avoid false positives in consistency check (#4047) (@AayushSabharwal)

Closed issues:

• No method matching getmetadata (#4019)

v10.31.0

ModelingToolkit v10.31.0

Diff since v10.30.0

Merged pull requests:

• refactor: update to SymbolicUtils@4 and Symbolics@7 (#3953) (@AayushSabharwal)
• Automatic inference of discrete parameters in events (#3991) (@TorkelE)
• Improve performance with sparse Jacobians (#4037) (@hersle)
• fix: fix prohibitively narrow type annotations in SCCNonlinearProblem (#4038) (@AayushSabharwal)
• Simple bypass to allow APs to be unitless with unitful connections (#4040) (@cmhyett)
• fix: minor fixes for clock stuff (#4041) (@AayushSabharwal)

Closed issues:

• erroneous cycles started appearing in simple systems (#3842)

v10.30.0

ModelingToolkit v10.30.0

Diff since v10.29.0

Merged pull requests:

• Add tune_parameters for dynamic optimization (#4017) (@SebastianM-C)
• build(deps): bump actions/checkout from 4 to 6 (#4032) (@dependabot[bot])
• increase flexibility in disturbance-argument codegen (#4033) (@baggepinnen)
• Fix test bug for hybrid jump tests (#4034) (@isaacsas)
• build: bump minor version (#4035) (@AayushSabharwal)

Closed issues:

• JuMP/InfiniteOpt dynamic optimization interface issues with parameter estimation (#3939)

v10.29.0

ModelingToolkit v10.29.0

Diff since v10.28.0

Merged pull requests:

• fix: support GPUs again (#4018) (@AayushSabharwal)
• Add backticks to close example code blocks (#4022) (@abhro)
• Dedent docstring contents (#4023) (@abhro)
• build: bump minor version (#4026) (@AayushSabharwal)

v10.28.0

ModelingToolkit v10.28.0

Diff since v10.27.0

Merged pull requests:

• feat: add SemilinearODEFunction and SemilinearODEProblem (#3739) (@AayushSabharwal)
• feat: add discrete_inputs (#4010) (@AayushSabharwal)
• Update Project.toml (#4021) (@AayushSabharwal)

Closed issues:

• Why does remake ignore my u0? (#3661)