v9.68.1

ModelingToolkit v9.68.1

Diff since v9.67.0

Merged pull requests:

• feat: handle Initial(x) initialization_eqs in time-independent systems (#3466) (@AayushSabharwal)
• fix: fix analysis point transform ignoring too many connections (#3469) (@AayushSabharwal)
• Remove undefined exports (#3476) (@ChrisRackauckas)
• test: make model parsing tests more generic (#3478) (@AayushSabharwal)
• Format tutorial (#3479) (@hersle)
• fix: fix jump system hack (#3486) (@AayushSabharwal)
• CompatHelper: bump compat for DataInterpolations to 8 for package docs, (keep existing compat) (#3488) (@github-actions[bot])

Closed issues:

• Improve printing/display of XSystem parameters (#2651)
• Wrong value for problems when guesses are provided for default values (#3303)
• Unexpected results when using parameters in initial conditions (#3356)
• OptimizationFunction with AutoForwardDiff doesn't work with sparse ODEProblem (#3376)
• Errors and wrong solutions when solving NonlinearSystem with initialization_eqs (#3458)
• Clarify Comparison Against Modelica section of the documentation with regard to nonlinear systems (#3472)
• Regression: Can no longer solve SteadyStateProblems after remake (#3483)