v0.6.41

Zygote v0.6.41

Diff since v0.6.40

Closed issues:

• Limitations Docs (#1077)
• DiffRules warning (#1155)
• Doctests running twice (#1199)
• vcat(::Vector, ::Pair) gradient bug (#1223)
• Zygote.gradient returns nothing instead of `NotImplemented (#1227)
• Rules for mutating functions, @adjoint! and its documentation (#1228)
• Possible mistake in complex tests (#1229)
• Possible mistake in complex tests (#1230)
• Gradient missing when using Params within Dicts (#1241)
• nested gradient fails with "Mutating arrays is not supported" (#1244)
• Incorrect gradient when using Flux.params (#1251)
• Gradients for nested struct fields are super slow (#1256)

Merged pull requests:

• remove @adjoint function cholesky (#1114) (@st--)
• Fix deprecations in DiffRules 1.4, add forward-mode rules for LogExpFunctions (#1172) (@devmotion)
• Make LogExpFunctions a proper dependency and clean adjoints (#1221) (@devmotion)
• Add warnings to ForwardDiff functions (#1224) (@mcabbott)
• Use CR adjoint for logdet(::Cholesky) (#1226) (@devmotion)
• Fix non-holomorphic tests (#1231) (@DomCRose)
• Fix #1241 (#1242) (@bogiebro)
• deprecate dropgrad and ignore (#1245) (@mzgubic)
• Make errors for array mutation, try/catch, and foreign call nicer (+ docs) (#1246) (@darsnack)
• rm rules for maximum, minimum, dropdims (#1250) (@mcabbott)
• rm rules for eachslice, cumsum (#1253) (@mcabbott)
• Run doctests only once (#1255) (@Saransh-cpp)