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)

v8.59.0

ModelingToolkit v8.59.0

Diff since v8.58.0

Closed issues:

• AssertionError: body !== nothing when using MTK with Distributed (#2181)

Merged pull requests:

• New formatting (#2179) (@YingboMa)
• More generic and robust discrete subsystem handling (#2180) (@YingboMa)
• Fix small text error, output is y not u (#2184) (@albheim)

v8.58.0

ModelingToolkit v8.58.0

Diff since v8.57.0

Merged pull requests:

• Drop expr body in RGF (#2166) (@YingboMa)
• Fix structural_transformation for optimization systems (#2175) (@YingboMa)

v8.57.0

ModelingToolkit v8.57.0

Diff since v8.56.0

Merged pull requests:

• Remove alias graph (#2172) (@YingboMa)
• Simple macro-based frontend (#2174) (@YingboMa)

v8.56.0

ModelingToolkit v8.56.0

Diff since v8.55.1

Closed issues:

• using Matrix (#2005)

Merged pull requests:

• missing variable defaults function (#2152) (@bradcarman)
• Improve docs for linearization (#2157) (@baggepinnen)
• Fix the deprecation warning (#2158) (@YingboMa)
• Alias Elimination: Try harder to identify the correct stem (#2161) (@Keno)
• Work around Julia 1.9.0 regression (#2167) (@YingboMa)

v8.55.1

ModelingToolkit v8.55.1

Diff since v8.55.0

Merged pull requests:

• Use undirected graph for neighborhood computation (#2153) (@YingboMa)
• Fix typo in domain handling (#2155) (@YingboMa)
• Optimize domain expansion (#2156) (@YingboMa)