v8.43.0

ModelingToolkit v8.43.0

Diff since v8.42.0

Closed issues:

• independent variable for complex numbers not working (#1947)
• Perturbation theory example exposes issue in structural_simplify? (#1994)
• Multivariate interpolation (#2039)
• ParentScope Bug (#2043)
• structural_simplify doesn't work with PDESystem (#2046)

Merged pull requests:

• Add MethodOfLines to Downstream (#1974) (@ChrisRackauckas)
• Apply scope recursively (#2044) (@YingboMa)
• Add block at named (#2045) (@YingboMa)
• avoid n^2 scaling in expand_instream (#2049) (@visr)
• format markdown (#2050) (@ArnoStrouwen)
• Add System that handles ODESystem and SDESystem (#2051) (@YingboMa)
• Add substitute for ODEProblem (#2054) (@YingboMa)
• Add accumulation (#2055) (@YingboMa)