Remove unused DifferentiationInterface dependency#24
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andrewning merged 2 commits intobyuflowlab:mainfrom Feb 13, 2026
Merged
Remove unused DifferentiationInterface dependency#24andrewning merged 2 commits intobyuflowlab:mainfrom
andrewning merged 2 commits intobyuflowlab:mainfrom
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NLsolve with autodiff=:forward now uses DifferentiationInterface internally, which has strict type checks in v0.7. When yprev is a SubArray (column view from odesolve), DI's preparation fails with a PreparationMismatchError. Convert to Vector before passing to nlsolve.
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It is actually used. Not directly, but ForwardDiff, etc. use DifferentiationInterface, and ImplicitAD was not fully working with the latest version of DifferentiationInterface so we had to pin the version of DI. There were a lot of changes happening with DI at the time, but looks like unit tests are passing now without the pin so I'll pull this. |
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Makes sense, thanks! |
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Remove unused DifferentiationInterface dependency
Summary
Removes
DifferentiationInterfacefrom both[deps]and[compat]inProject.toml. This package is listed as a dependency but is never imported or used in any source file.This was preventing updating GXBeam.jl
Motivation
DifferentiationInterfacewas added as a dependency in v1.0.0 but no code in ImplicitAD actually uses it -- all AD is done directly throughForwardDiff,ReverseDiff, andChainRulesCore. Having it as a dependency unnecessarily constrains downstream packages (e.g., pinning them to DI 0.6) and increases install/precompile times.This was discovered while upgrading GXBeam.jl from the deprecated
SparseDiffTools.jltoDifferentiationInterface.jl(see GXBeam.jl#136). TheDI = "0.6"compat bound in ImplicitAD prevented GXBeam from using DI 0.7, which is needed for compatibility with the latest SciML ecosystem.Changes
Project.toml: RemovedDifferentiationInterfacefrom[deps]and[compat]No source code changes -- the package was never used.