v8.74.1

ModelingToolkit v8.74.1

Diff since v8.74.0

Merged pull requests:

• Cache hash of ConnectionElement (#2384) (@chriselrod)
• build(deps): bump crate-ci/typos from 1.16.24 to 1.16.25 (#2387) (@dependabot[bot])
• Split test groups (#2388) (@ChrisRackauckas)
• [skip ci] dependabot ignore typos patches (#2389) (@ArnoStrouwen)

v8.74.0

ModelingToolkit v8.74.0

Diff since v8.73.2

Merged pull requests:

• Keep symbolic expressions as is and minor bugfixes optimization system (#2323) (@Vaibhavdixit02)
• feat: support components with fully-qualified names with @mtkmodel (#2330) (@thazhemadam)
• feat: implementation of new SymbolicIndexingInterface (#2345) (@AayushSabharwal)
• build(deps): bump crate-ci/typos from 1.16.23 to 1.16.24 (#2378) (@dependabot[bot])
• Custom initial condition equations for an ODESystem (#2382) (@MarcBerliner)

Closed issues:

• Supplying value of parameter as initial state is silently ignored (#1299)
• @mtkmodel errors when module qualifier is used to create component (#2289)
• Fail to precompile (#2375)

v8.73.2

ModelingToolkit v8.73.2

Diff since v8.73.1

Merged pull requests:

• Support conditional statements in @mtkmodel (#2319) (@ven-k)
• Handle dummy derivatives in linearization_function (#2361) (@baggepinnen)
• typos CI (#2363) (@ArnoStrouwen)
• build(deps): bump actions/checkout from 3 to 4 (#2367) (@dependabot[bot])
• CompatHelper: bump compat for SimpleNonlinearSolve to 1, (keep existing compat) (#2370) (@github-actions[bot])
• fix: canonicalize all positional args in @named (#2373) (@ven-k)

Closed issues:

• dae_index_lowering fails to find solution when [input=true] variables are connected (#1298)
• structural_simplify removes subsystems (#1309)
• Input semantics concrete prototype (#1311)
• Failure to propagate default parameter value to inner system (#2294)
• ODE update function generated using symbolics much slower than naive user implementation? (#2372)

v8.73.1

ModelingToolkit v8.73.1

Diff since v8.73.0

Merged pull requests:

• Bump compat of Symbolics (#2357) (@sathvikbhagavan)

v8.73.0

ModelingToolkit v8.73.0

Diff since v8.72.2

Merged pull requests:

• Support symbolic arrays in @mtkmodel (#2282) (@ven-k)
• non canon docstrings (#2315) (@ArnoStrouwen)
• allow multibody frame connectors to be unbalanced (#2316) (@baggepinnen)
• allow scalar IO in linearize (#2317) (@baggepinnen)
• BifurcationKit Extension (take 2) (#2321) (@TorkelE)
• docs: Fix Systems docstrings (#2324) (@sathvikbhagavan)
• build(docs): add BifurcationKit in Project.toml (#2325) (@sathvikbhagavan)
• Minor typo fix in Bifurcation tutorial (#2327) (@TorkelE)
• Drop Julia 1.6 (#2332) (@YingboMa)
• New formatter (#2333) (@YingboMa)
• handle parameters that only appear as defaults (#2336) (@baggepinnen)
• Improve BifurcationKit extension (#2337) (@TorkelE)
• Change typeof(x) <: y to x isa y (#2343) (@pepijndevos)
• Improves @icon and adds related docs (#2346) (@ven-k)
• Add compat entries for stdlibs (#2353) (@devmotion)

Closed issues:

• Making sure doc examples run (#1570)
• noncanonical docstring (#2297)
• Desciptive error for not passing parameters all the way down (#2320)
• Parameters that appears only as defaults are ignored (#2322)
• remake fails to set initial conditions based on parameters (#2329)

v8.72.2

ModelingToolkit v8.72.2

Diff since v8.72.1

Merged pull requests:

• update docs for new extension syntax (#2309) (@ChrisRackauckas)
• Simplify at extend (#2310) (@YingboMa)

Closed issues:

• Alias @named to @build to avoid confusion (#2263)
• @variables error with description and default value depending on parameters (#2298)

v8.72.1

ModelingToolkit v8.72.1

Diff since v8.72.0

Merged pull requests:

• Support implicit name unpack in at extend (#2306) (@YingboMa)
• one more tutorial simplification (#2307) (@ChrisRackauckas)

v8.72.0

ModelingToolkit v8.72.0

Diff since v8.71.2

Merged pull requests:

• Refactor docs with @mtkmodel (#2286) (@ven-k)
• Fix recursive structure and setup precompilation (#2301) (@ChrisRackauckas)
• Add @mtkbuild greatly simplify the tutorials (#2305) (@ChrisRackauckas)

v8.71.2

ModelingToolkit v8.71.2

Diff since v8.71.1

Merged pull requests:

• Support heterogeneous parameters for linearize and remake (#2283) (@YingboMa)
• Cancel concurrent jobs stemming from PRs & Don't run Downstream and Invalidation tests for changes in docs (#2291) (@ven-k)
• CompatHelper: bump compat for NonlinearSolve to 2 for package docs, (keep existing compat) (#2295) (@github-actions[bot])

v8.71.1

ModelingToolkit v8.71.1

Diff since v8.71.0

Merged pull requests:

• upgrade reproducibility Documenter 1.0 (#2280) (@ArnoStrouwen)
• Have @mtkmodel docs show up under the "Basics" section (#2285) (@thazhemadam)
• Fix warnings due to name conflicts with OrdinaryDiffEq (#2287) (@devmotion)

Closed issues:

• Precompilation warnings (identifier conflicts) (#2241)
• ModelingToolkit version 8.71 incompatible with latest BifurcationKit version (#2284)