v3.0.0

ModelingToolkit v3.0.0

Diff since v2.0.0

Closed issues:

• Unpacking Additional Arguments (#260)
• Handle reaction combinatorics (#261)
• Support for arrays of arrays datastructures in output (#262)

Merged pull requests:

• Setup ReactionSystem on AbstractSystem interface (#284) (@ChrisRackauckas)
• Generalize LaTeXify for AbstractSystem (#287) (@ChrisRackauckas)
• add ODE ratelaw expressions (#289) (@isaacsas)
• add a direct problem building interface for AbstractSystems (#290) (@ChrisRackauckas)
• Expose sparse matrix generation in higher level prob constructors (#291) (@ChrisRackauckas)
• CompatHelper: add new compat entry for "ArrayInterface" at version "2.8" (#292) (@github-actions[bot])
• [WIP] Add Documentation (#293) (@ChrisRackauckas)
• More reasonable transformation variable names (#294) (@ChrisRackauckas)
• Add lowering integration test (#295) (@ChrisRackauckas)
• fix composed expression generation (#296) (@ChrisRackauckas)
• Generalize build_function (#298) (@ChrisRackauckas)
• Allow arrays of arrays of stuff in iip build_function (#299) (@ChrisRackauckas)
• CompatHelper: add new compat entry for "UnPack" at version "0.1" (#300) (@github-actions[bot])