v8.0.0

ModelingToolkit v8.0.0

Diff since v7.1.3

Closed issues:

• FMI support? (#135)
• Regression from v5 "type Term has no field lhs" (#1295)
• Variable names not kept when solving DiscreteProblems (#1329)
• variables coming from observed kwarg not added to var_to_name (#1335)
• Alias elimination internal error (#1358)
• Failure in tearing with a series electrical circuit (#1363)
• Access to subsystems and variables of these systems (#1366)
• Rules for writing DAE equations (#1377)
• Continuous event / affect not working (#1386)
• Add Github repository to package manager (#1388)
• Optimization Example doesn't work (#1390)
• Cannot modify the initial guess for the torn equations in ODAESystem (#1391)
• What is possible to do in an affect statement? (#1395)
• Broadcasting differential not allowed for array of size 1 (#1402)
• Passing default parameters is broken for vectors (#1403)
• How to use ModelingToolkit.jl solve a system of nonlinear equations？ (#1405)

Merged pull requests:

• add observed to var_to_name Dict (#1343) (@isaacsas)
• Expand connections after model instantiation and add stream connectors (#1348) (@YingboMa)
• Refactor tearing (#1355) (@Keno)
• Add some comments in alias elimination (#1360) (@YingboMa)
• CompatHelper: bump compat for SpecialFunctions to 2, (keep existing compat) (#1361) (@github-actions[bot])
• Make sure that the alias candidate is an integer (#1364) (@YingboMa)
• Limit the inline nlsolve size (#1367) (@YingboMa)
• Add array variable support for connect (#1368) (@YingboMa)
• Define isaffine methods for AbstractSystem (#1370) (@andreasnoack)
• Add structure to DiscreteSystem (#1371) (@baggepinnen)
• Drive by: Fix conditional (#1372) (@Keno)
• fix collect_difference_variables (#1375) (@baggepinnen)
• Fix bug in bareiss algorithm (#1380) (@Keno)
• Make the modelingtoolkitize tutorial much simpler (#1393) (@ChrisRackauckas)
• CI for LTS (#1397) (@ChrisRackauckas)
• handle disc. and cont. events in ODAEProblem (#1398) (@baggepinnen)
• CompatHelper: bump compat for JuliaFormatter to 0.20, (keep existing compat) (#1400) (@github-actions[bot])
• Fix ODAEProblem codegen (#1404) (@YingboMa)
• CompatHelper: bump compat for SymbolicUtils to 0.19, (keep existing compat) (#1407) (@github-actions[bot])
• Fix torn_system_jacobian_sparsity (#1408) (@YingboMa)
• v8 Release (#1410) (@YingboMa)