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Add a release file for 2.2
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gmkurtzer committed Oct 12, 2016
commit 8d1d7468179ad2f6f58214ab481766902e5baf7b
40 changes: 40 additions & 0 deletions _posts/releases/2016-10-11-release-2-2.md
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---
title: "Singularity 2.2 release"
category: releases
permalink: release-2-2
targz: "https://github.com/singularityware/singularity/releases/download/2.2/singularity-2.2.tar.gz"
---


It is with great pleasure that I announce the general availability of Singularity version 2.2! Here's what's in store for version 2.2 from your favorite Git clone, download, or distribution vendor:

* A complete rework of the back end source code to allow a much larger feature set, sanity, and facilitate contributions
* The ability to execute completely unprivileged (does not support Singularity images) (thanks to Brian Bockelman)
* Container execute by URI support (file, http, https, docker, etc..)
* Integration with the Docker Registry Remote API (thanks to Vanessa Sochat):
* stateless containers running ad-hoc
* bootstrapping
* importing
* OverlayFS support - Allows for automatic creation of bind points within containers at runtime (thanks to Amanda Duffy and Jarrod Johnson)
* Additional container formats supported (directories and archives)
* New bootstrap definition format to handle much more complicated and intuitive recipes
* All Singularity 2.x containers continue to be supported with this release.

Additionally I would like to extend thanks to the following organizations for being part of supporting scientific computing with Singularity:

- Lawrence Berkeley National Labratory (http://scs.lbl.gov/)
- Stanford University (https://srcc.stanford.edu/)
- San Diego Supercomputing Center (http://www.sdsc.edu/)
- University of Nebraska-Lincoln (http://www.unl.edu/)
- Dartmouth (http://pbs.dartmouth.edu/)
- Yale University (http://www.yale.edu/)
- University Of Liverpool (http://www.liverpool.ac.uk/)
- Texas Advanced Computing Center (https://www.tacc.utexas.edu/)
- Open MPI (http://www.openmpi.org/)
- Ontropos (http://www.ontropos.com/)
- Lenovo (http://www.lenovo.com/)
- Intel (http://www.intel.com/)
- Amazon (https://aws.amazon.com/)
- R Systems (http://rsystemsinc.com/)

Release tip: The best way to kill an idea is to take it to a meeting.