v9.43.0

ModelingToolkit v9.43.0

Diff since v9.42.0

Merged pull requests:

• Fix structural simplification of non-1-indexed variable arrays (#2671) (@hersle)
• Clean up generate_initializesystem() (#3051) (@hersle)
• Relax type constraints to allow callable parameters in pdeps (#3079) (@SebastianM-C)
• feat: improve error message when system contains array equations (#3081) (@AayushSabharwal)
• move symbolic details to Symbolics docs (#3095) (@ArnoStrouwen)
• Allow arrays in MTKParameters pullback (#3100) (@DhairyaLGandhi)

Closed issues:

• Symbolic-array system bug in counting equations and variables (#2597)
• Structural simplification fails on non-1-indexed variable array (#2670)
• Error when setting structural parameter to define Symbolic arrays in connectors (#3058)
• Providing parameter override errors with "Initialization expression currently not supported" (#3087)
• ODE system that solved in 9.32 does error in 9.42 (#3096)
• ODE system that solved before does error in 9.42 as Overdetermined, Rank Deficient Matrix (#3097)