Hello

Here is the latest OCaml Weekly News, for the week of January 19 to 26, 2016.

1. In the news: Unikernel Systems joins Docker
2. Package renamings for sexplib, bin_prot and a few other camlp4 syntax extensions
3. Other OCaml News

Archive: https://sympa.inria.fr/sympa/arc/caml-list/2016-01/msg00075.html

Congratulation to the Mirage team!

http://unikernel.com/
http://blog.docker.com/2016/01/unikernel/

I believe this is good news for the OCaml community in general. 
      

Thanks Thomas! We're all very excited about driving MirageOS forward now to
the wider community.

If anyone wants to take part in a friendly (and warm) atmosphere, the first
hackathon is being held in Marrakech in the second week of March:
http://marrakech2016.mirage.io/

Please do feel free to get in touch at <marrakech2016@mirage.io> with any
questions, but all levels of OCaml hackers interested in unikernels are
welcome.
      

Archive: https://sympa.inria.fr/sympa/arc/caml-list/2016-01/msg00083.html

In preparation for the 113.24 release of Jane Street packages, which are
camlp4-free, we moved some Camlp4 syntax extensions into their own packages
[1]. As a result some findlib packages have been renamed. For instance the old
sexplib.syntax is now called pa_sexp_conv.

Details and upgrading instructions can be found in the opam repository
changelog [2].

Since the upcoming 113.24 release of sexplib, bin_prot and a few other
packages breaks compatibility due to these renamings, version constraints were
automatically added to the appropriate opam packages.

This is the list of affected packages:

- async-zmq
- bookaml
- camlhighlight
- charrua-core
- cohttp
- colors_js
- conduit
- cstruct
- extprot
- ezjsonm
- frenetic
- git-unix
- ibx
- ipaddr
- irmin
- lambdoc
- lazy-trie
- merge-queues
- merge-ropes
- mirage
- mirage-git
- mirage-http
- mirage-tc
- mirage-types
- mirage-types-lwt
- mustache
- nocrypto
- obeanstalk
- ocaml-markdown
- oloop
- openflow
- operf-macro
- opium
- otr
- packet
- perf
- planck
- protocol-9p
- qcow-format
- shared-block-ring
- sibylfs
- sill
- tls
- tlstunnel
- topology
- uri
- vchan
- x509
- xapi-backtrace
- xapi-stdext
- xapi-xenopsd
- xentropyd

If you maintain any of these packages, you are kindly invited to follow the
upgrading instructions [2].

Moving forward, we encourage people using any of our Camlp4 syntax extensions
to switch to their ppx replacements.

[1] https://github.com/ocaml/opam-repository/pull/5414
[2] https://github.com/ocaml/opam-repository/blob/master/CHANGES.md
      

Thanks to Alp Mestan, we now include in the OCaml Weekly News the links to the
recent posts from the ocamlcore planet blog at http://planet.ocaml.org/.

David Mentré: WE programming project: XKCD keyword index
  http://blog.bentobako.org/index.php?post/2016/01/26/WE-programming-project%3A-XKCD-keyword-index

Psellos: OCaml for iOS Bug Fix Releases
  http://psellos.com/2016/01/2016.01.the-minor-drag.html

Coq: Coq 8.5 is out!
  https://coq.inria.fr/news/128.html

Psellos: OCaml for iOS Simulator 8 or 9
  http://psellos.com/2016/01/2016.01.man-made-lake.html
      

Old cwn

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Alan Schmitt