….35...v0.6.36)

**Closed issues:**
- Possible typo in `copy!(x::AbstractVector, ps::Params)` (#1135)
- Pullback evaluates to nothing for broadcasted distribution operations (regression) (#1178)

**Merged pull requests:**
- Fix adjoint Iterators.product behavior with nothing (#1170) (@lxvm)
- Docs: fix error in adjoint example (#1176) (@james-atkins)
- Restrict type broadcast rule to numbers (#1179) (@mcabbott)