Generalized open statements are now used to hide ppx_cstubs's boilerplate code from the interface, if OCaml 4.08 or later is used. Autogenerated interface files (ocamlc -i/cmitomli) that are created with these versions of OCaml are also valid for previous OCaml versions, but not vice versa.
bump internally used AST version to 4.10
0.3.0 (26/01/2020)
support for OCaml 4.10.0+beta1
fix merlin mode
bump internally used AST version to 4.09
let-bound constants
0.2.1 (12/08/2019)
support OCaml 4.09.0+beta1
bump internally used AST version from 4.06 to 4.08
0.2.0 (13/07/2019)
ppx_cstubs now compiles with OCaml 4.08.0.
Add support for static callbacks as an alternative to the libffi based Foreign.funptr.
Allow to use abstract values (similar to Ctypes.abstract) and integers of unknown size and signedness.