Downgrade: raise Reexport compat floor to 1.2.2#57
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Downgrade: raise Reexport compat floor to 1.2.2#57ChrisRackauckas-Claude wants to merge 1 commit into
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…le at downgrade minimum) At the downgrade minimum, SciMLBase is pinned to its 2.84.0 floor, which caps OrdinaryDiffEqLinear to <=1.4.0. OrdinaryDiffEqLinear 1.1-1.4 require Reexport >= 1.2.2, but the old floor Reexport = "1" let the resolver lock Reexport at 1.2.0, leaving no installable OrdinaryDiffEqLinear -> Unsatisfiable. Reexport 1.2.2 is the smallest version that resolves. Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com> Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Fix MINIMUM-VERSION downgrade resolve failure
The
Downgradeworkflow fails at thePkg.testre-resolve step (latest failing run 27089954821) with:Conflicting pin / why the old floor was impossible
At the downgrade minimum the resolver pins
SciMLBaseto its 2.84.0 floor. SciMLBase 2.84.0 capsOrdinaryDiffEqLinearto<= 1.4.0, and OrdinaryDiffEqLinear 1.1–1.4 requireReexport = "1.2.2 - 1"(i.e.>= 1.2.2).The old compat
Reexport = "1"let the downgrade manifest lockReexportat 1.2.0, which is< 1.2.2, so no installableOrdinaryDiffEqLinearversion remained → Unsatisfiable. The old floor1.0.0was never co-installable with the package's own OrdinaryDiffEq stack at the downgrade minimum.Fix
Raise the
Reexportfloor to 1.2.2 — the smallest Reexport that OrdinaryDiffEqLinear 1.1–1.4 accept (and the only valid choice given SciMLBase's 2.84.0 floor). This is a lower-bound raise only; no upper bound or test logic changed.Resolve verification (local, Julia 1.10 lts floor)
Reproducing the downgrade re-resolve with
SciMLBase = "=2.84.0":Reexport = "=1.2.0"(old floor's locked minimum) → Unsatisfiable (reproduces CI)Reexport = "=1.2.2"(new floor) → RESOLVE OK (Reexport 1.2.2, OrdinaryDiffEqLinear 1.4.0, SciMLBase 2.84.0)Note: the package's regular (latest-versions) test failure on
mainis a separate, unrelated MacroTools /Base.MethodList.mtissue on Juliapre, not addressed here.This PR should be ignored until reviewed by @ChrisRackauckas.
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