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Courtesy PR superseding SciML#81 (dependabot). - Extend `SciMLBase` compat to `"2, 3.1"` (keep v2 support via the lower bound). - Bump `DASSL` version to 2.10.1. No code changes required — a grep of `src/` found no references to the SciMLBase v3 breaking surface (`u_modified!`, removed `DEProblem` type alias, 3-arg ensemble `prob_func`, `destats` / `.minimizer` / `.lb` getproperty aliases, or old iterators `tuples` / `intervals` / `TimeChoiceIterator`). The only `sol[...]` uses in `test/` are 2-arg symbolic indexing (`sol[x, 1]`, `sol[y, i]`), which is RAT-managed and unaffected by the v3 scalar-int change. Note: local tests cannot be run because `Pkg.resolve()` fails for any env containing SciMLBase 3.1 — OrdinaryDiffEq in the registry still pins `RecursiveArrayTools ≤ 3.54` while SciMLBase 3.1 requires RAT v4. CI on this PR will reproduce the same resolution error until upstream OrdinaryDiffEq releases a RAT-v4-compatible version. Re-running CI afterward should go green without further edits. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>
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Summary
Courtesy PR for the SciMLBase v3 release, superseding the stalled dependabot PR #81.
SciMLBasecompat to"2, 3.1"(keep v2 support via the lower bound).DASSLversion to 2.10.1.No code changes required — a grep of
src/found no references to the SciMLBase v3 breaking surface (u_modified!, removedDEProblemtype alias, 3-arg ensembleprob_func,.destats/.minimizer/.lbgetproperty aliases, or old iteratorstuples/intervals/TimeChoiceIterator). The onlysol[...]uses intest/are 2-arg symbolic indexing (sol[x, 1],sol[y, i]), which is RAT-managed and unaffected by v3's scalar-int change.Known limitation
Local tests cannot be run:
Pkg.resolve()fails on any env containing SciMLBase 3.1 becauseOrdinaryDiffEqin the registry still pinsRecursiveArrayTools ≤ 3.54while SciMLBase 3.1 requires RAT v4. Expect CI here to fail at thePkg.addstep with an unsatisfiable resolution error until upstream OrdinaryDiffEq releases a RAT-v4-compatible version; re-running afterward should go green without further edits.Context
Part of the SciMLBase v3 ecosystem sweep — see SciML/DiffEqCallbacks.jl#300 and SciML/DiffEqParamEstim.jl#290 for the reference patterns.
cc @ChrisRackauckas
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