What's Changed

• Bump actions/checkout from 4 to 5 by @dependabot[bot] in #699
• Bump actions/checkout from 5 to 6 by @dependabot[bot] in #700
• Bump codecov/codecov-action from 5 to 6 by @dependabot[bot] in #705
• Fix some tests and bump version by @JamesWrigley in #706

New Contributors

• @JamesWrigley made their first contribution in #706

Full Changelog: v1.26.0...v1.26.1

Contributors

• @JamesWrigley
• @dependabot

ChainRulesCore v1.15.7

Diff since v1.15.6

This release has been identified as a backport.
Automated changelogs for backports tend to be wildly incorrect.
Therefore, the list of issues and pull requests is hidden.

ChainRulesCore v1.26.0

Diff since v1.25.2

Merged pull requests:

• Update site authors (#647) (@oxinabox)
• CompatHelper: add new compat entry for ChainRulesCore at version 1 for package docs, (keep existing compat) (#694) (@github-actions[bot])
• CompatHelper: add new compat entry for Compat at version 4 for package docs, (keep existing compat) (#695) (@github-actions[bot])
• Docs updates (#696) (@abhro)
• Bump Julia lower bound to v1.10 and modernize dependencies (#697) (@ChrisRackauckas-Claude)
• Update compat bounds to exclude releases older than 1 year (#698) (@ChrisRackauckas-Claude)

Contributors

• @oxinabox
• @abhro
• @ChrisRackauckas-Claude

ChainRulesCore v1.25.2

Diff since v1.25.1

Merged pull requests:

• fix #685 (#688) (@cossio)
• Bump actions/checkout from 2 to 4 (#689) (@dependabot[bot])
• Bump actions/cache from 2 to 4 (#690) (@dependabot[bot])
• Bump codecov/codecov-action from 1 to 5 (#691) (@dependabot[bot])
• Bump julia-actions/setup-julia from 1 to 2 (#692) (@dependabot[bot])
• Update CI (#693) (@devmotion)

Closed issues:

• MethodError: (::ProjectTo{NoTangent, @NamedTuple{}})(::Thunk) is ambiguous (#685)
• InplaceableThunk is missing implementation of keys and eachindex (#687)

Contributors

• @devmotion
• @cossio
• @dependabot

ChainRulesCore v1.25.1

Diff since v1.25.0

Merged pull requests:

• Disable thunks for 2nd order AD (#683) (@pxl-th)

Contributors

• @pxl-th

ChainRulesCore v1.25.0

Diff since v1.24.0

Merged pull requests:

• add notice about no primary maintainer (#680) (@oxinabox)
• Update documentation (#681) (@abhro)
• Add type promotion rules for NoTangent and ZeroTangent, and add eltype for NoTangent (#682) (@BioTurboNick)

Contributors

• @BioTurboNick
• @oxinabox
• @abhro

ChainRulesCore v1.24.0

Diff since v1.23.0

Merged pull requests:

• Add test to document Float32 projection behavior (#629) (@jeremiahpslewis)
• ci: use DataInterpolations from SciML instead of PumasAI (#672) (@sathvikbhagavan)
• Update supporting AD engines (#673) (@oxinabox)
• Add more engines supporting ChainRules to the docs (#676) (@oxinabox)
• Update line spacing in index.md (#677) (@wsmoses)
• make @non_differentiable use identical pullbacks when possible (#679) (@nsajko)

Closed issues:

• Differentiating with respect to a function (#22)
• Differential Addition for Closures (#178)
• StaticArrays (#479)
• add!!(:: InplaceableThunk, :: InplaceableThunk) is inefficient (#529)
• == method ambiguities with Base julia (#540)
• thunk still runs for non Flux.params which leads to unnecessary computation (#558)
• Fifteen tests broken, probably by design, in ChainRulesCore.jl (#670)
• Defining rrules for high order functions (#671)
• How to specify rules for kwargs (#674)
• Add Enzyme as tool which can import (#675)
• @non_differentiable should use identical pullbacks when possible (#678)

Contributors

• @wsmoses
• @jeremiahpslewis
• @nsajko
• @oxinabox
• @sathvikbhagavan

ChainRulesCore v1.23.0

Diff since v1.22.1

Merged pull requests:

• Bools have no tangent (#667) (@oxinabox)

Contributors

• @oxinabox

ChainRulesCore v1.22.1

Diff since v1.22.0

Merged pull requests:

• handling type-known empty containers in zero_tangent (#663) (@oxinabox)

Contributors

• @oxinabox

ChainRulesCore v1.22.0

Diff since v1.21.1

Merged pull requests:

• add scaling division (#666) (@oxinabox)

Contributors

• @oxinabox