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Note

This documentation is for the new OMERO 5.2 version. See the latest OMERO 5.1.x version or the previous versions page to find documentation for the OMERO version you are using if you have not upgraded yet.

What’s new for OMERO 5.2 for sysadmins

  • OMERO clients are no longer distributed as Java Web Start applications. This decision is discussed at length in our Java Web Start blog post. We recognize that this will be problematic for some institutional users and are working to expand the functionality of OMERO.web to mitigate this as far as possible.
  • The Version requirements section provides extensive details about which operating systems and dependency versions we intend to support for the life of 5.2 and the likely changes to these for the next major release (currently planned to be 5.3). Most notably, we have dropped support for Java 1.6 and changed the Python dependencies.
  • The OMERO web framework no longer bundles a copy of the Django package, instead manual installation of the Django dependency is required. It is highly recommended to use Django 1.8 (LTS) which requires Python 2.7 (unless you are using IIS on Windows, in which case you will need to use Django 1.6). For more information see Python on the Version requirements page.
  • FastCGI support was removed in OMERO 5.2 and OMERO.web can be deployed using WSGI Deployment (Unix/Linux).
  • The configuration property omero.graphs.wrap which allowed switching back to the old server code for moving and deleting data has now been removed. You must migrate to using the new request operations.