v6.103.0

OrdinaryDiffEq v6.103.0

Diff since v6.102.1

Merged pull requests:

• Reuse integrators in nlstep and NonlinearSolveAlg integrations (#2760) (@ChrisRackauckas)
• feat: add save_discretes to DEOptions (#2871) (@AayushSabharwal)
• Add tests for enzyme discrete adjoints (#2872) (@ChrisRackauckas)
• Update to use DiffEqBase initialization algorithms (#2873) (@ChrisRackauckas-Claude)
• Rkv76iia (#2878) (@KeshavVenkatesh)
• Update accepted_kwargs to use Val for SciMLOperators.jl#313 (#2884) (@ChrisRackauckas-Claude)
• Expand integrators for _initialize_dae! (#2885) (@ChrisRackauckas)
• Fix IMEX documentation examples to use SplitODEProblem (#2888) (@ChrisRackauckas-Claude)
• Removing mismatched tableaus (#2896) (@KeshavVenkatesh)

Closed issues:

• Efficient implementation of Gauss Collocation (#1004)
• Standardize fields in AbstractDiffEqInterpolation (#2750)
• Big slowdown and type instabilities of AD through ODE solver (#2837)
• Automated linearization of ODEProblems with Linearize (#2874)
• Example in OrdinaryDiffEqLinear documentation does not run (#2877)
• using print callback saves solution vector (even when save_everystep=false) (#2882)
• CI tests fail due to precompilation errors in OrdinaryDiffEq.jl et co (#2887)

v6.102.1

OrdinaryDiffEq v6.102.1

Diff since v6.102.0

Merged pull requests:

• New method Rodas6P (#2774) (@gstein3m)
• Bump DataStructures to v0.19 and StructArrays to v0.7 (#2847) (@ChrisRackauckas-Claude)
• feat: integrate callback saving into integrator init and finalize (#2857) (@AayushSabharwal)
• Bump compat for SciMLBase to 2.115 (#2862) (@j-fu)
• Test DiffEqBase v6.177 to fix convergence failures (#2863) (@ChrisRackauckas-Claude)
• Fix threading issue #2612: Replace Threads.nthreads() with Threads.maxthreadid() (#2864) (@ChrisRackauckas-Claude)
• Add copy method for WOperator (#2865) (@ChrisRackauckas-Claude)
• Fix DAE mass matrix initialization with vector abstol (fixes #2820) (#2868) (@ChrisRackauckas-Claude)
• Make ExplicitImports a test dependency (#2870) (@devmotion)

Closed issues:

• Likely erroneous use of Threads.nthreads and Threads.threadid (#2612)
• DAE mass matrix form: initialize_dae! fails on non-scalar abstol (#2820)
• Differentiating ODE with callback crashes with ForwardDiff (#2867)

v6.102.0

OrdinaryDiffEq v6.102.0

Diff since v6.101.0

Merged pull requests:

• [ci-skip] Update Project.toml (#2767) (@ChrisRackauckas)
• Add JET.jl static analysis tests to SimpleImplicitDiscreteSolve (#2769) (@ChrisRackauckas)
• Fix undefined default_linear_interpolation error in OrdinaryDiffEqSymplecticRK (#2770) (@ChrisRackauckas)
• Apply JuliaFormatter to fix code formatting (#2776) (@ChrisRackauckas)
• reexport AdaptiveRadau from OrdinaryDiffEqFIRK (#2777) (@asinghvi17)
• Remove outdated Julia version checks for v1.8 and v1.9 (#2778) (@ChrisRackauckas)
• Add spell checking configuration (#2781) (@ChrisRackauckas)
• Add downgrade CI workflow with InterfaceI test group (#2782) (@ChrisRackauckas)
• Add downgrade CI for all sublibraries (#2783) (@ChrisRackauckas)
• Fix deprecated boolean autodiff usage in test files (#2785) (@ChrisRackauckas)
• Comprehensive fix for all deprecated API usage in test files (#2787) (@ChrisRackauckas)
• Add GPU-safe AutoForwardDiff wrapper with AutoForwardFromPrimitive (#2788) (@ChrisRackauckas)
• [ci-skip] Revert JuliaFormatter PR #2776 (#2789) (@ChrisRackauckas)
• Update hard_dae.jl to not use Rosenbrock23 (#2790) (@ChrisRackauckas)
• Fix documentation warnings in OrdinaryDiffEqRosenbrock (#2792) (@ChrisRackauckas)
• Apply JuliaFormatter to fix code formatting (#2793) (@ChrisRackauckas)
• Fix StabilizedRK allocation tests for Julia 1.11 (#2795) (@ChrisRackauckas)
• Fix unnecessary line splits following Catalyst.jl PR #1306 (#2797) (@ChrisRackauckas)
• Update DataStructures.jl compatibility to v0.19 (#2799) (@ChrisRackauckas)
• Fix formatting line splits following Catalyst.jl PR #1306 (#2800) (@ChrisRackauckas)
• Fix InexactError on X86 by using explicit Int64 in rational literals (#2803) (@ChrisRackauckas)
• Add comprehensive QA testing infrastructure for solver allocations and type stability (#2805) (@ChrisRackauckas-Claude)
• Use explicit imports (#2806) (@ChrisRackauckas-Claude)
• Update Van der Pol test implementations for DiffEqProblemLibrary.jl PR #153 (#2807) (@ChrisRackauckas-Claude)
• Add tests for event detection when step is exactly on event date (#2809) (@dcourteville)
• CompatHelper: add new compat entry for Mooncake at version 0.4 for package downstream, (keep existing compat) (#2810) (@github-actions[bot])
• CompatHelper: add new compat entry for FastBroadcast at version 0.3 for package gpu, (keep existing compat) (#2811) (@github-actions[bot])
• CompatHelper: add new compat entry for RecursiveArrayTools at version 3 for package gpu, (keep existing compat) (#2812) (@github-actions[bot])
• CompatHelper: add new compat entry for ComponentArrays at version 0.15 for package gpu, (keep existing compat) (#2813) (@github-actions[bot])
• CompatHelper: add new compat entry for FillArrays at version 1 for package gpu, (keep existing compat) (#2814) (@github-actions[bot])
• CompatHelper: add new compat entry for Adapt at version 4 for package gpu, (keep existing compat) (#2815) (@github-actions[bot])
• CompatHelper: add new compat entry for OrdinaryDiffEq at version 6 for package gpu, (keep existing compat) (#2816) (@github-actions[bot])
• Fix master tests (#2818) (@ChrisRackauckas)
• Fix precompilation warnings (#2824) (@ChrisRackauckas-Claude)
• Bump minimum dependency versions to latest releases (#2826) (@ChrisRackauckas-Claude)
• Fix Rosenbrock docstrings and add proper citations (#2827) (@ChrisRackauckas)
• Raise StaticArraysCore (#2828) (@ChrisRackauckas)
• Add FunctionMap as default algorithm for DiscreteProblem (#2829) (@ChrisRackauckas-Claude)
• Add OrdinaryDiffEqSIMDRK as a standalone sublibrary (#2831) (@ChrisRackauckas-Claude)
• Fix Downgrade CI (#2832) (@ChrisRackauckas)
• Fix ad_tests.jl by switching to OrdinaryDiffEqCore.alg_autodiff (#2833) (@ChrisRackauckas-Claude)
• Fix internal dependency sources and update compat entries (#2834) (@ChrisRackauckas-Claude)
• restore [email protected] compat (#2835) (@oscardssmith)
• improve type stabitity of jacobian! (#2836) (@oscardssmith)
• Check out repo in CompatHelper action (#2839) (@devmotion)
• CompatHelper: bump compat for ForwardDiff to 1, (keep existing compat) (#2840) (@github-actions[bot])
• Revert "improve type stabitity of jacobian!" (#2842) (@ChrisRackauckas)
• Remove ParameterizedFunctions.jl dependency from tests (#2843) (@ChrisRackauckas-Claude)
• Remove PoissonRandom dependency from tests (#2844) (@ChrisRackauckas-Claude)
• Remove Printf dependency from tests (#2845) (@ChrisRackauckas-Claude)
• Remove Calculus dependency from tests (#2846) (@ChrisRackauckas-Claude)
• Move ModelingToolkit to test group specific dependency (#2848) (@ChrisRackauckas-Claude)
• Remove redundant test dependencies (#2849) (@ChrisRackauckas-Claude)
• Remove redundant test dependencies from sublibraries (#2850) (@ChrisRackauckas-Claude)
• Remove Symbolics from test dependencies (#2852) (@ChrisRackauckas-Claude)
• Move SparseArrays to extension for OrdinaryDiffEqDifferentiation (#2853) (@ChrisRackauckas-Claude)
• Specialize on f in jacobian(!) (#2854) (@topolarity)
• Specialize more functions on f parameter for trim compatibility (#2856) (@ChrisRackauckas-Claude)

Closed issues:

• OrdinaryDiffEq precompilation time is super slow (#1886)
• OrdinaryDiffEqSymplecticRK: LoadError: UndefVarError: default_linear_interpolation not defined (#2611)
• Add JET testing for some static analysis in tests (#2663)
• AutoDiff not working for SplitODEProblem (#2719)
• Type-instability in Jacobian calculation (#2819)
• pkg> update failed (#2821)

v6.101.0

OrdinaryDiffEq v6.101.0

Diff since v6.100.0

v6.100.0

OrdinaryDiffEq v6.100.0

Diff since v6.99.0

Merged pull requests:

• Setup the use of nlstep overloads (#2758) (@ChrisRackauckas)
• Fixed adaptive out-of-place Stepanov5. (#2759) (@toma-vlad)
• Add checks that the solution was successful (#2761) (@ChrisRackauckas)
• Make DI unstrict due to not having view support (#2762) (@ChrisRackauckas)
• Disable Enzyme on prereleases (#2763) (@ChrisRackauckas)
• Fix downgrade CI (#2764) (@ChrisRackauckas)
• Major docs improvements (#2766) (@ChrisRackauckas)

v6.99.0

OrdinaryDiffEq v6.99.0

Diff since v6.98.0

Merged pull requests:

• Fix inference with NonlinearSolveAlg (#2729) (@ChrisRackauckas)
• fix autodiff for FBDF (#2730) (@oscardssmith)
• Os/bump di (#2732) (@oscardssmith)
• start upgrade to MTK@10 (#2734) (@oscardssmith)
• fix OrdinaryDiffEqBDF tests (#2735) (@oscardssmith)
• fix downstream runners (#2737) (@oscardssmith)
• bump core version (#2739) (@oscardssmith)
• add DefaultImplicitODEAlgorithm and tests (#2741) (@oscardssmith)
• Mooncake Direct Adjoints for Explicit Integrators (#2742) (@ChrisRackauckas)
• Reset fsal when necessary for first tstep (#2743) (@oscardssmith)
• Add AirSpeedVelocity.jl benchmarking (#2745) (@ChrisRackauckas)
• Inactivate initdt for differentiation by enzyme (#2748) (@ChrisRackauckas)
• fix stats of stabilized RK methods (#2753) (@ranocha)
• bump OrdinaryDiffEqStabilizedRK (#2754) (@ranocha)
• fix allocations in ROCK4 (#2755) (@ranocha)
• test: fix MTK reinitialization tests, remove deprecation warnings (#2756) (@AayushSabharwal)

Closed issues:

• OrdinaryDiffEqNonlinearSolve - Type instability in relaxation (#2674)
• FBDF not compatible with ForwardDiff (#2720)
• Get Mooncake direct adjoints working (#2723)
• PreparationMismatchError after bump of DifferentiationInterface.jl (#2738)
• Modified SIR model turns unstable on simulation (very potentially a numerical error unavoidable due to the model (#2747)
• Make InterpolationData an AbstractDiffEqArrayInterpolation (#2749)

v6.98.0

OrdinaryDiffEq v6.98.0

Diff since v6.97.0

Merged pull requests:

• support ForwardDiff 1.0 (#2643) (@oscardssmith)
• Disable enzyme tests on prereleases (#2714) (@ChrisRackauckas)
• fix sources in Ci for 1.11 and up (#2715) (@oscardssmith)
• continue fixing CI (#2716) (@oscardssmith)
• fix even more ci? (#2717) (@oscardssmith)
• fix NonlinearSolve tests (broken by #2573) (#2718) (@oscardssmith)
• Update nystrom_convergence_tests.jl (#2721) (@ChrisRackauckas)
• Don't check iszero Rational relax, instead make no-op (#2724) (@ChrisRackauckas)

v6.97.0

OrdinaryDiffEq v6.97.0

Diff since v6.96.0

Merged pull requests:

• use [sources] (#2699) (@oscardssmith)
• Regression test callback doubling (#2704) (@ChrisRackauckas)
• Support SciMLOperators 0.4 in subpackages (#2705) (@devmotion)
• Run CompatHelper also for subpackages (#2706) (@devmotion)
• speed up RodasTableau constructors (#2712) (@oscardssmith)
• Bump SciMLOperators (#2713) (@ChrisRackauckas)

Closed issues:

• Time dependence in a non-autonomous linear ODE problem does not appear to propagate correctly to the solver (#2661)
• OrdinaryDiffEq.jl fails to precompile when DifferentiationInterface v0.7.0 is present in the environment (#2709)
• Rodas4P() solver dominated by 2 allocations. Any way to get around this? (#2710)

v6.96.0

OrdinaryDiffEq v6.96.0

Diff since v6.95.1

Merged pull requests:

• Add JET and Aqua Tests to Subpackages (#2665) (@jClugstor)
• Don't double recurse init with default algorithm (#2695) (@ChrisRackauckas)
• Update tests for MTK resorting (#2697) (@ChrisRackauckas)
• Make get_differential_vars type stable (#2698) (@Ickaser)
• CompatHelper: bump compat for SciMLOperators to 0.4, (keep existing compat) (#2702) (@github-actions[bot])

Closed issues:

• jittery output for nonhomogeneous ODE problem when interpolating the input (#2673)
• Callback doesn't trigger if it occurs at initial time (#2689)
• Rodas methods don't fail with NoInit when u0 is inconsistent (#2700)

v6.95.1

OrdinaryDiffEq v6.95.1

Diff since v6.95.0

Merged pull requests:

• Add test for AD with unitfulvalue abstol (#2686) (@ChrisRackauckas)
• Test Union{MethodError, BoundsError} (#2687) (@hersle)

Closed issues:

• no method matching Float64(::ForwardDiff.Dual{...}) when specifying only reltol (#2675)