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Use dependabot and drop support for Julia < 1.10 - #292

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devmotion wants to merge 9 commits into
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codecov Bot commented Sep 15, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.37%. Comparing base (7da338c) to head (50c295b).

Additional details and impacted files
@@            Coverage Diff             @@
##           master     #292      +/-   ##
==========================================
- Coverage   85.91%   85.37%   -0.54%     
==========================================
  Files          18       18              
  Lines        1945     1942       -3     
==========================================
- Hits         1671     1658      -13     
- Misses        274      284      +10     

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devmotion and others added 7 commits September 15, 2026 20:56
The downgrade test resolved FunctionWrappers 1.0.0 and errored in every
testset that exercises a `CompiledTape` (ChainRulesTests, GradientTests,
JacobianTests, HessianTests):

    LoadError: Module IR does not contain specified entry function
    Stacktrace:
      [1] assume @ FunctionWrappers/src/FunctionWrappers.jl:11 [inlined]
      ...
      [5] forward_pass!(compiled_tape::ReverseDiff.CompiledTape{...})
          @ ReverseDiff src/api/tape.jl:124

FunctionWrappers <= 1.1.1 defines `assume` with the pre-Julia-1.6 form of
`Base.llvmcall` in which the second element of the tuple is the function
body. Since v"1.6.0-DEV.663" Julia interprets that element as the name of
the entry function in the supplied module IR, so the call fails at run
time. FunctionWrappers 1.1.2 is the first release that branches on
`VERSION` and emits a named `@fw_assume` definition.

ReverseDiff therefore never worked with FunctionWrappers < 1.1.2 on any
Julia version we still support, so the lower bound was simply wrong.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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