All issues

DAE initialization dt picks the larger magnitude for backward solves; mass-matrix FBDF loses time-reversal symmetry

#4538

· ChrisRackauckas-Claude opened

on Sep 12, 2026

solve(prob) is not time-reversible: finite-difference Jacobians take their perturbation direction from diffdir

#4537

· ChrisRackauckas-Claude opened

on Sep 12, 2026

OrdinaryDiffEqStabilizedRK shadows dtnew_modification instead of extending it, so the stability-limit dt cap never runs

#4535

· ChrisRackauckas-Claude opened

on Sep 12, 2026

OrdinaryDiffEqBDF QA (JET) fails on master: FBDF time_filter calls undefined functions in OOP path

#4518

· ChrisRackauckas-Claude opened

on Sep 12, 2026

DelayDiffEq: callback save_positions decides the correctness of the history, not just the saved output

#4515

· devmotion opened

on Sep 11, 2026

PDIRK QA fails on Julia 1.10: stale threading imports and documented SciMLBase reexports rejected

#4463

· ChrisRackauckas-Claude opened

on Sep 5, 2026

Wrapping PETSc TS behind the common interface

#4451

· singhharsh1708 opened

on Aug 31, 2026

StochasticDiffEq: JumpProblem callback stored in kwargs fires twice

#4439

· ChrisRackauckas-Claude opened

on Aug 30, 2026

Intermittent "cannot resize array with shared data" in ode_cache_tests on Julia 1.10: LinearSolve's QR/SVD fallback reshapes cache.tmp

#4425

· singhharsh1708 opened

on Aug 29, 2026

`MethodOfSteps(SDIRK2())` on Robertson DDE allocates indefinitely after first-step qmax change

#4389

· ChrisRackauckas-Claude opened

on Aug 26, 2026

Inaccurate ForwardDiff event-time derivative through a terminating ContinuousCallback

#4388

· andreapasquale94 opened

on Aug 26, 2026

new_W_dt_cutoff not respected for linear problems

#4370

· termi-official opened

on Aug 24, 2026