Issues · SciML/ModelingToolkit.jl · GitHub

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`MTKParameters` type mismatch in `init_dae!` when tunable buffer is a `ReinterpretArray` (DiffCache + setsym parameter-estimation pattern)

#4530

· SebastianM-C opened

on May 13, 2026

ParametrizedInterpolation: `fntype_X_Y(::Type{Real})` MethodError on Initialization on master

#4527

· ChrisRackauckas-Claude opened

on May 12, 2026

Master CI: multiple test failures (BVP cost, DiffCache gradient inference, Aqua piracy, missing gcc)

#4513

· ChrisRackauckas-Claude opened

on May 8, 2026

How to replace `get_defaults` in the new version ?

#4502

· j-fu opened

on Apr 29, 2026

Distributed code errors if (not) in-place functions are not generated

#4464

· devmotion opened

on Apr 21, 2026

Components with "vector" of ports?

#4462

· B-LIE opened

on Apr 17, 2026

MTK: vectors with mixed initial values and guesses

#4448

· B-LIE opened

on Apr 13, 2026

Why "Cyclic Guesses" error message when creating ODEProblem?

#4446

· B-LIE opened

on Apr 10, 2026

Does a very large number of observed variables (3207 vs 1188 equations) significantly increase ODEProblem memory?

#4435

· aizuo-chen opened

on Apr 9, 2026

`reinit!` dominates runtime and allocations in integrator update loop

#4409

· jClugstor opened

on Mar 24, 2026

collect_scoped_vars! silently skips array-typed equations (symtype <: Number check)

#4392

· xtalax opened

on Mar 13, 2026

`sol[sym]` throws for observed expressions combining `@discretes` and continuous states

#4381

· martincornejo opened

on Mar 9, 2026