v0.6.56

Zygote v0.6.56

Diff since v0.6.55

Closed issues:

• Issue with comparison operator and cuarrays (#678)
• Custom @adjoint doesn't work with PyCall.jl (#789)
• Not able to @opt_out rules with RuleConfig (#1342)
• [docs] missing reference for hessian_reverse (#1361)
• Binding Flux.setup does not exist (#1366)
• Type instability in Flux.gradient with immutable structs (#1368)
• Type instability on promote_type (#1372)
• Incorrect gradient with comprehensions (#1374)

Merged pull requests:

• Remove show for Type{<:Pullback} (#1356) (@devmotion)
• MethodError if configured rrule is ambiguous (#1358) (@oxinabox)
• test pycall adjoint (#1363) (@CarloLucibello)
• update: actions node 12 => node 16 (#1367) (@skyleaworlder)
• Un-revert SnoopCompile changes (#1370) (@ToucheSir)
• Don't differentiate getproperty on const module fields (#1371) (@ToucheSir)
• Update to latest TagBot config (#1373) (@ToucheSir)
• Always call reverse in map (#1376) (@mcabbott)
• Simple fix for kron(::AbstractVector) on nightly (#1378) (@ToucheSir)
• Forward mode: don't use zerolike fallback for GlobalRefs (#1379) (@ToucheSir)
• Add hessian_reverse to docs (#1382) (@ToucheSir)
• Use _pullback inside rules instead of pullback (#1385) (@ToucheSir)
• drop adjoints for [i,r,b]fft() (#1386) (@trahflow)
• Make sure conda env dir is set on Buildkite CI (#1387) (@ToucheSir)