Issues

• In-place Radau methods ignore failed linear solves and accept the step (wrong results with retcode = Success)

  SciML/OrdinaryDiffEq.jl#4997 · Filter by author ramlakhanmadheshiya opened on Nov 14, 2026

• constvalue(::Type) does not strip nested dual types completely

  SciML/OrdinaryDiffEq.jl#4996 · Filter by author devmotion opened on Nov 13, 2026
  1

• ExplicitRK stiffness estimate pairs stage derivatives with the wrong stage values

  SciML/OrdinaryDiffEq.jl#4995 · Filter by author devmotion opened on Nov 13, 2026

• Uninitialized sparse W makes Rosenbrock results nondeterministic

  bug
  SciML/OrdinaryDiffEq.jl#4992 · Filter by author ranocha opened on Nov 12, 2026

• ContinuousCallback misses crossings near the Zeno time and returns Success

  SciML/OrdinaryDiffEq.jl#4991 · Filter by author asinghvi17 opened on Nov 12, 2026

• DiffEqBase ALL QA fails six ExplicitImports checks after extension loading

  SciML/OrdinaryDiffEq.jl#4990 · Filter by author ChrisRackauckas-Claude opened on Nov 11, 2026

• Dual tstops with a Float64 tspan throw a MethodError: the time type is not promoted with the time stops

  SciML/OrdinaryDiffEq.jl#4989 · Filter by author devmotion opened on Nov 11, 2026

• Rosenbrock23 error estimate uses dt * dT instead of dt * d * dT, so it is second order on non-autonomous problems

  SciML/OrdinaryDiffEq.jl#4988 · Filter by author ctessum-claude opened on Nov 10, 2026

• Kvaerno3, Kvaerno4 and Kvaerno5 evaluate stage 2 at c₂ = γ instead of 2γ, losing their order on non-autonomous problems

  SciML/OrdinaryDiffEq.jl#4987 · Filter by author ctessum-claude opened on Nov 10, 2026

• nlsolve! keeps a stale convergence rate prev_θ when W is rebuilt

  SciML/OrdinaryDiffEq.jl#4983 · Filter by author visr opened on Nov 9, 2026

• DiffEqDevTools: appxtrue omits sampled errors for nondense TestSolution

  SciML/OrdinaryDiffEq.jl#4976 · Filter by author ChrisRackauckas-Claude opened on Nov 8, 2026

• Callback type erasure on Julia ≥ 1.12 makes wrapper packages' per-step callbacks allocate; request a way to opt out

  SciML/OrdinaryDiffEq.jl#4974 · Filter by author isaacsas opened on Nov 7, 2026
  1

• DiffEqBase QA on master errors on four stale SciMLBase namespace imports

  bot-generatedneeds-chris-review
  SciML/OrdinaryDiffEq.jl#4973 · Filter by author ChrisRackauckas-Claude opened on Nov 6, 2026
  1

• Interpolation is wrong after a callback interpolates while save_on = false

  SciML/OrdinaryDiffEq.jl#4967 · Filter by author devmotion opened on Nov 3, 2026

• Follow-ups from review of #4766: clarify EEst in controller snapshot docstrings

  SciML/OrdinaryDiffEq.jl#4964 · Filter by author ChrisRackauckas-Claude opened on Nov 3, 2026

• Follow-ups from review of #4884: save_end=false endpoint skip uses original tspan after reinit!

  SciML/OrdinaryDiffEq.jl#4960 · Filter by author ChrisRackauckas-Claude opened on Nov 2, 2026

• QNDF errors inside a CompositeAlgorithm because it reads integrator.alg and integrator.cache

  SciML/OrdinaryDiffEq.jl#4953 · Filter by author ramlakhanmadheshiya opened on Oct 31, 2026

• DelayDiffEq resize! does not resize the Rosenbrock Jacobian config inside a CompositeAlgorithm

  SciML/OrdinaryDiffEq.jl#4952 · Filter by author ramlakhanmadheshiya opened on Oct 31, 2026

• Out-of-place Rosenbrock time derivative uses the autodiff of the last CompositeAlgorithm member

  SciML/OrdinaryDiffEq.jl#4951 · Filter by author ramlakhanmadheshiya opened on Oct 31, 2026

• [qa-hygiene] StochasticDiffEq QA group green on PR #4716

  SciML/OrdinaryDiffEq.jl#4937 · Filter by author ChrisRackauckas-Claude opened on Oct 27, 2026
  1

• In-place BrownFullBasicInit drops the ForwardDiff partials of u0: algebraic states get zero derivative

  SciML/OrdinaryDiffEq.jl#4936 · Filter by author SebastianM-C opened on Oct 27, 2026

• In-place RadauIIA3 uses reltol^(2/3) for its internal tolerance, out-of-place uses reltol^(3/4)

  SciML/OrdinaryDiffEq.jl#4928 · Filter by author singhharsh1708 opened on Oct 27, 2026

• Stripped default-solver solutions interpolate with the Hermite fallback, silently wrong

  SciML/OrdinaryDiffEq.jl#4927 · Filter by author singhharsh1708 opened on Oct 27, 2026

• strip_solution throws a MethodError for FBDF, QNDF, RadauIIA3/5 and the Rodas methods

  SciML/OrdinaryDiffEq.jl#4926 · Filter by author singhharsh1708 opened on Oct 27, 2026

• AdaptiveRadau dense output is wrong on steps taken before a change in stage count

  SciML/OrdinaryDiffEq.jl#4925 · Filter by author singhharsh1708 opened on Oct 27, 2026