The most recent version of Objective Caml is 3.11.2.
It was released on 2010-01-20.
What's new?
Some of the highlights in release 3.11 are:
-
The
Dynlink library is now available in native
code on some platforms.
-
ocamldebug is now supported under Windows
(MSVC and Mingw ports) but without the replay feature.
(Contributed by Dmitry Bely and Sylvain Le Gall at
OCamlCore with support from Lexifi.)
-
New port: MacOS X, AMD/Intel, 64 bits.
For more information, please consult the comprehensive list of changes.
Distribution

Source distribution
-
Source tarball (.tar.gz)
for compilation under Unix (including Linux and MacOS X)
and Microsoft Windows (including Cygwin).
-
Also available in .tar.bz2
format.
- GODI
is a source-based distribution of Objective Caml and
many companion libraries and tools. Compilation and
installation are automated by a powerful package manager.
The INSTALL file of the distribution
provides detailed compilation and installation instruction.

Precompiled binaries for Linux

Precompiled binaries for MacOS X
Binary package
compiled on Mac OS 10.6.2 with XCode tools
3.2.1 (not compatible with Mac OS 10.4.x):

Precompiled binaries for Microsoft Windows
Four ports of Objective Caml for Microsoft
Windows are currently available. For additional information,
please consult the list of portability issues or
the Windows release notes.
-
MinGW-based native Win32 port (3.11.0).
A self installer. The interactive loop comes with a
simple graphical user interface. Some features require the
Cygwin environment.
However, the compilers generate true
Win32 executables, which do not require Cygwin to run.
-
Microsoft-based native Win32 port (3.11.0).
A self installer. The interactive loop comes with a simple
graphical user interface.
Some features require Microsoft Visual C++ and Microsoft
Assembler.
-
Cygwin-based port.
Requires Cygwin.
No graphical user interface is provided. The compilers
generate executables that do require Cygwin.
The precompiled binaries are part of the Cygwin distribution;
you can install them using the Cygwin
setup
tool. Alternatively, download the source distribution
and compile it under Cygwin.
-
Microsoft-based native Win64 port
Same features as the Microsoft-based native Win32 port,
but generates 64-bit code. No binary distribution available
yet; download the source distribution and compile it.

User's manual
The user's manual for Objective Caml can be:
Other versions
Many previous releases are still available.
You also have read-only SVN access
to the working sources and to all previous public releases. See:
The Subversion repository for Objective Caml