v1.25.0

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)

v1.24.0

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)

v1.23.0

ChainRulesCore v1.23.0

Diff since v1.22.1

Merged pull requests:

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

v1.22.1

ChainRulesCore v1.22.1

Diff since v1.22.0

Merged pull requests:

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

v1.22.0

ChainRulesCore v1.22.0

Diff since v1.21.1

Merged pull requests:

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

v1.21.1

ChainRulesCore v1.21.1

Diff since v1.21.0

Merged pull requests:

• Define a bunch of zero_tangents that should just NoTangent (#662) (@oxinabox)

v1.21.0

ChainRulesCore v1.21.0

Diff since v1.20.1

Merged pull requests:

• Implement Tangent subtraction (#660) (@oxinabox)
• bump version (#661) (@oxinabox)

Closed issues:

• support substraction on Tangent{T} (#641)

v1.20.1

ChainRulesCore v1.20.1

Diff since v1.20.0

Merged pull requests:

• fix typo and formatting (#656) (@kshitij12345)
• Restrict kwarg type in code generated by @non_differentiable macro (#657) (@oxinabox)
• Fix hash(::MutableTangent) on 32 bit (#659) (@oxinabox)

Closed issues:

• Hash equality disagreement for MutableTangent on 32bit (/x86 CI) (#658)

v1.20.0

ChainRulesCore v1.20.0

Diff since v1.19.1

Merged pull requests:

• Introduce MutableTangent (#626) (@oxinabox)
• Delete StaticArrays Projection tests (#645) (@oxinabox)
• Remove example of mutation support config from docs (#646) (@oxinabox)

Closed issues:

• MutableTangent (#105)

v1.19.1

ChainRulesCore v1.19.1

Diff since v1.19.0

Merged pull requests:

• Update for Documenter.jl v1 (#650) (@hyrodium)
• Fix ambig with configured frule created by non_differentiable rule (#651) (@oxinabox)
• docs: align a few misaligned code blocks (#652) (@sathvikbhagavan)