v0.6.50

Zygote v0.6.50

Diff since v0.6.49

Closed issues:

• Slow code and excessive allocations when backpropagating broadcasting (#592)
• Dictionary indexing failure inside closure and structs (#717)
• bug in comprehension over dictionaries (#725)
• BUG: getindex(::Dict) (#760)
• Document "adjoint" more clearly (#869)
• Memory leak on worker process (#930)
• broken iteration over dictionary (#1065)
• Gradient fails for sum of dictionary values (#1309)
• hessian does not like AbstractVectors (#1315)
• ERROR: MethodError: no method matching +(::Base.RefValue{Any}, ::NamedTuple{(:contents,), (#1317)
• No rule for mean(f, x; dims) (#1318)

Merged pull requests:

• Allow accumulating distinct Dicts (#1237) (@ToucheSir)
• Add precompilation via SnoopPrecompile (#1281) (@ToucheSir)
• Expand limitations page of docs (#1298) (@mcabbott)
• Dynamic README logo (#1311) (@Saransh-cpp)
• Fix and update CompatHelper CI (#1316) (@Saransh-cpp)
• Add an implicit example for withgradient (#1322) (@mcabbott)
• tests for dictionaries (#1330) (@CarloLucibello)
• fix collect and comprehension for NamedTuple and Dict (#1331) (@CarloLucibello)

v0.6.49

Zygote v0.6.49

Diff since v0.6.48

Merged pull requests:

• Make Zygote's logo a real PNG (#1306) (@Saransh-cpp)
• Unify and simplify adjoints for pairwise(::Euclidean, ...) (#1310) (@devmotion)

v0.6.48

Zygote v0.6.48

Diff since v0.6.47

Closed issues:

• getproperty MethodError with StructArrays (#602)
• zygote broadcast type stability (#1301)
• Mutating array error when array isn't mutated (#1308)

Merged pull requests:

• preserve type over broadcast (#1302) (@maartenvd)
• Wct/fix repeats euclidean (#1307) (@willtebbutt)

v0.6.47

Zygote v0.6.47

Diff since v0.6.46

Merged pull requests:

• Add rule for Dict iteration (#1285) (@ToucheSir)
• Add css + logo to docs (#1299) (@mcabbott)
• Turn on previews, move and render assets, add gradient's API to docs (#1300) (@Saransh-cpp)
• Bump minimum Juila support note in readme (#1303) (@ToucheSir)

v0.6.46

Zygote v0.6.46

Diff since v0.6.45

Merged pull requests:

• Handle nothing grads for Pairs.data (#1295) (@ToucheSir)
• Add DiffEqFlux BasicNeuralDE Test (#1296) (@ChrisRackauckas)

v0.6.45

Zygote v0.6.45

Diff since v0.6.44

Closed issues:

• Remove @adjoints for [hv]cat in favour of ChainRules (#1217)
• Wrong gradient involving splatting of kwargs (#1284)
• v0.13.5 of Flux breaks Flux.train! on a custom type with Zygote gradients (#1291)
• extremely slow compilation of gradient AND compilation error (two bugs, really) (#1292)

Merged pull requests:

• remove @adjoint for hv/h/v/cat (#1277) (@mzgubic)
• Treat pairs(NamedTuple) as NamedTuple for indexing (#1286) (@ToucheSir)

v0.6.44

Zygote v0.6.44

Diff since v0.6.43

Closed issues:

• Error from has_chain_rrule on an array of Bool (#1234)

Merged pull requests:

• Propagate ambiguities from rrule lookup instead of failing inexplicably (#1278) (@ToucheSir)
• Passthrough safe ccalls in threading code (#1280) (@ToucheSir)
• @adjoint broadcasted for unary minus (#1287) (@mcabbott)

v0.6.43

Zygote v0.6.43

Diff since v0.6.42

Merged pull requests:

• number adjoints to rrules (#1273) (@mzgubic)

v0.6.42

Zygote v0.6.42

Diff since v0.6.41

Closed issues:

• Flux.train error when using reduce hcat in loss (#626)
• Broadcasting fails for functions with adjoint 'nothing' (#642)
• Incorrect Wirtinger for prod operation (#744)
• Surprising error when constructing diagonal matrix (#771)
• dropdims gives MethodError in v0.5.6 when training with Flux.jl (#784)
• accum NamedTuple sometimes silently drops derivatives (#861)
• Dot product differentiation (#982)
• unique() error in pullback (#1053)
• Adjoint of cholesky is hard-coded for the CPU (#1210)
• Deprecate @nograd and dropgrad in favour of ChainRulesCore.@non_differentiable and ChainRulesCore.ignore_derivatives (#1235)
• Remove @adjoint for adjoint/Adjoint in favor of ChainRules (#1257)
• Error message link 404 error (#1260)

Merged pull requests:

• deprecate Zygote.@nograd (#1249) (@mzgubic)
• rm rules for Statistics.var, std, mean (#1252) (@mcabbott)
• rm adjoint & transpose adjoints (#1259) (@mcabbott)
• Fix link in error message (#1265) (@ziyiyin97)
• Replace @require CUDA with using GPUArraysCore (#1272) (@mcabbott)

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)