OPAM-builder has been updated to display build results for all OPAM packages for this new version 4.03.0:

http://opam.ocamlpro.com/builder/html/report-last.html

Enjoy !
--Fabrice

On Mon, Apr 25, 2016 at 9:35 PM Damien Doligez <damien.doligez@inria.fr> wrote:
Dear OCaml users,

We have the pleasure of celebrating the birthday of Andrey Kolmogorov
by announcing the release of OCaml version 4.03.0.

It is available as a bunch of OPAM switches, or as a source
download here: < http://caml.inria.fr/pub/distrib/ocaml-4.03/ >.

The OPAM switches are:
4.03.0              Official 4.03.0 release
4.03.0+flambda      Official 4.03.0 release with flambda enabled
4.03.0+fp           Official 4.03.0 release with frame pointers
4.03.0+fp+flambda   Official 4.03.0 release with frame pointers and flambda enabled

Happy hacking,

-- Damien Doligez for the OCaml team.