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)