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=Source code= Here are the current released versions of OpenSim.

Please see Branches for more information on the repository branches and what they are for.

Please note: As OpenSim is still at an alpha code maturity stage, there is absolutely no guarantee that functionality works or is stable, even in the numbered releases. Certain features may not work either because the code is in rapid evolution, or because functionality expected by the Linden Labs Second Life viewer has simply not been implemented yet. However, constructive feedback is still welcomed.

Also, please be aware that OpenSim requires that you have a fair amount of technical knowledge in order to set it up.

The latest source releases are always hosted at http://dist.opensimulator.org, the current latest releases is 0.6.6 and provided as:
 * http://dist.opensimulator.org/opensim-0.6.6-release.tar.gz - best for Linux systems
 * http://dist.opensimulator.org/opensim-0.6.6-release.zip - best for Windows systems

The only difference between the two is the archive format, the source is exactly the same.

Release Code via Git
Instead of using a source archive release, you can pull specific releases from our git repository. For more information on installing and using Git, please see Using_Git.

In each case you'll want to start with a clone:

git clone git://opensimulator.org/git/opensim opensim-0.6.6

Then all other commands are run from inside the checked out directory.

git checkout origin/0.6.6-post-fixes
 * 0.6.6 Alpha with post-release fixes (preferred)

git checkout 0.6.6-release
 * 0.6.6 Alpha release tag

Release notes
These are extracted from the subversion history log and correlated with the tagged releases. It should provide some idea of the changes between each tagged version. How ever, since the tagged releases are moved out of the trunk, the versions aren't an exact correlation. Please read and understand Release Cycle and On revisions, tags and branches before using this information.
 * Recent (since last tagged version)
 * 0.6.6-release (SVN version 9961)
 * 0.6.5-release (SVN version 9667)
 * 0.6.4.1-release (SVN version 9009)
 * 0.6.4-release (SVN version 8960)
 * 0.6.3-release (SVN version 8506)
 * 0.6.2-release (SVN version 8068)
 * 0.6.1-release (SVN version 7880)
 * 0.6.0-release (SVN version 7176)
 * 0.5.11-release (SVN version 6676)
 * 0.5.10-release (SVN version 6422)
 * 0.5.9-release (SVN version 5970)
 * 0.5.8-release (SVN version 5111)
 * 0.5.7-release (SVN version 4818)
 * 0.5.6-release (SVN version 4488)
 * 0.5.5-release (SVN version 4239)
 * 0.5.4-release (SVN version 3879) (Not sure what happened to 0.5.3 & 0.5.2)
 * 0.5.1-release (SVN version 3724)
 * 0.5.0-release (SVN version 3184)
 * 0.4.5.3-stable (SVN version 2844)
 * 0.4.5.2-stable (SVN version 2772)
 * 0.4.5.1-stable (SVN version 2610)
 * 0.4.5-release (SVN version 2293)
 * 0.4.0-rc (SVN version 1953)
 * 0.3.2-release (SVN version 1385)
 * 0.3.1-devel (SVN version 1226) (Around here things start to get a bit confusing)
 * 0.2.1-release (SVN version 1224)
 * 0.3.0-devel (SVN version 1126)
 * 0.0.0-release (SVN version 1022)
 * 0.1.0-release (SVN version 1021)
 * 0.2.0-release (SVN version 1020)

=Binaries= The OpenSim project only does source based releases, which you must compile yourself. Many members of our community provide binary installers that you can used based on those source releases. Links below are provided for convenience.

Installers
http://forge.opensimulator.org/gf/download/frsrelease/199/588/OpenSim0.6.6Setup.exe
 * 0.6.6 Windows Installer (Post-fixes version r9993)

http://forge.opensimulator.org/gf/download/frsrelease/198/587/OpenSimulator-0.6.6-post-fixes-r9993.dmg
 * 0.6.6 Mac OS X Installer (Post-fixes version r9993)


 * '''Unofficial .deb packages

= Older Versions Archive =

All older versions of OpenSim are available from the Git repo (this includes fully converted versions of every change that existed in the subversion repository, including all old tags and branches). Please be aware that even if there is zero official support for the latest version, there's even less support for older ones. They are kept here for historical and technological reference only.

The 'official' release tags and branches are all available from: git://opensimulator.org/git/opensim

The named branches are typically extremely experimental offshoots. Stick with recent numbered versions if you expect anything to work.

= Experimental Upstream Code = There Be Dragons Beyond This Point

If you are truly feeling dangerous, adventurous, or want to help us test the next version of OpenSim you are welcome to grab the latest unstable code out of our git master repository. Any warnings previous expressed about the alpha nature of the code go double or triple if you are running directly off of master. Never, ever, ever, never run this in production environments, it is not suitable for that unless you are very familiar with the source code, and can hot fix any piece of it (that probably means you are an OpenSim core member). Feedback and testing on the unstable tree is appreciated, as that helps us make the next release better. If this scares you from using trunk, that was intended.

If it breaks, you get to keep both pieces.

git clone git://opensimulator.org/git/opensim
 * Latest git revision version (bleeding edge)

After creating the clone, chnage into the directory and: git reset --hard ########
 * To checkout a specific revision

Where ######## is the unique hash of the version you are interested in.

Another option for obtaining the code is via subversion with our svn mirror. This mirrors all git changes since the old 10k1 changeset in subversion. It is synchronized every 15 minutes, so may be 15 minutes behind git master.

svn co http://opensimulator.org/svn/opensim-track/trunk opensim
 * Latest subversion revision version (bleeding edge)

=Related Software= Related Software Section - CLICK HERE

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