v8.68.0

ModelingToolkit v8.68.0

Diff since v8.67.0

Closed issues:

• Error with @mtkmodel and Unitful units (#2248)

Merged pull requests:

• add default arguments to dummy derivatives (#2253) (@pepijndevos)

v8.67.0

ModelingToolkit v8.67.0

Diff since v8.66.0

Merged pull requests:

• Symbolic defaults for sub-components and base system kwargs + set base sys kwargs as component's kwargs (#2226) (@ven-k)
• docs: fix the dependency graphs example in the docstrings (#2245) (@sathvikbhagavan)

v8.66.0

ModelingToolkit v8.66.0

Diff since v8.65.0

Closed issues:

• typos (#2201)
• Namespacing in DDEs doesn't handle delays correctly (#2232)

Merged pull requests:

• Evaluate metadata expr in @mtkmodel (#2242) (@ven-k)
• fix typos (#2243) (@spaette)
• Add support for parameters, equations... for @connectors (#2246) (@ven-k)
• Fix hierarchical modeling with DDEs (#2247) (@ChrisRackauckas)
• Fix systems keyword argument handling in System (#2249) (@YingboMa)

v8.65.0

ModelingToolkit v8.65.0

Diff since v8.64.0

Closed issues:

• New failure to simplify algebraic equations (#2234)

Merged pull requests:

• changed ParentScope docs to better reflect best usage (#2219) (@hstrey)
• Fix error in error reporting code. (#2223) (@contradict)
• Consistently initialize before computing the linearization (#2236) (@YingboMa)

v8.64.0

ModelingToolkit v8.64.0

Diff since v8.63.0

Closed issues:

• Function Serialization (#2209)

Merged pull requests:

• fix breaking changes to ModelingToolkitDesigner.jl (#2214) (@bradcarman)
• Make introspecting dummy_derivative easier (#2218) (@YingboMa)

v8.63.0

ModelingToolkit v8.63.0

Diff since v8.62.0

Closed issues:

• Improved conversion of variables to symbols (#2205)
• Error with @register_symbolic when running documentation example (#2211)

Merged pull requests:

• Add isconnector to Model type + add all metadata to Model.structure (#2204) (@ven-k)
• Add DDE support in System (#2207) (@YingboMa)
• SDDE support (#2208) (@YingboMa)
• Update the Torque and Mass components wrt to MSL-2.0 (#2212) (@ven-k)

v8.62.0

ModelingToolkit v8.62.0

Diff since v8.61.0

Merged pull requests:

• tearing: Heuristically attempt to assign equations with single solvab… (#2203) (@Keno)

v8.61.0

ModelingToolkit v8.61.0

Diff since v8.60.0

Merged pull requests:

• add input signals to build_explicit_observed_function (#2199) (@baggepinnen)
• @model -> @mtkmodel (#2200) (@YingboMa)
• Parse the args in extended components (#2202) (@ven-k)

v8.60.0

ModelingToolkit v8.60.0

Diff since v8.59.1

Closed issues:

• structural_simplify gives error with TimeVaryingFunction + LinearInterpolation (#2190)

Merged pull requests:

• Set @icon for models and connectors (#2183) (@ven-k)
• Revive pss_graph_modia! (#2192) (@Keno)
• Optimize dummy derivative graph (#2193) (@YingboMa)
• Update ContextualVariables.md (#2194) (@asinghvi17)
• Pass arguments (including hierarchal ones) to Models (#2196) (@ven-k)

v8.59.1

ModelingToolkit v8.59.1

Diff since v8.59.0

Closed issues:

• Linearizing of a simple model fails (#2185)

Merged pull requests:

• Add back rank2 (highest diffed variables) in alias elimination (#2187) (@YingboMa)
• Serialization support for observables (#2189) (@bradcarman)
• MultithreadedForm can cause deadlock (#2191) (@YingboMa)