Release of OMERO 5.4.4 including SECURITY FIX

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Release of OMERO 5.4.4 including SECURITY FIX

Helen Flynn (Staff)
Dear All,

Today we are releasing OMERO 5.4.4, a bug-fix release which also introduces some new functionality.

It includes a security fix for 2017-SV6 Job-File Link<>. It is highly recommended that you upgrade your server.

Improvements include:

  *   images can now be filtered by Tag in the center panel of OMERO.web
  *   enabled search by “File” and “Tag” annotations separately in OMERO.web, as opposed to only being able to search by All annotations
  *   fixed switching between grid display and thumbnail display in OMERO.web
  *   fixed the image preview and disabled projection in OMERO.insight when trying to project an image with all the channels turned off
  *   fixed parsing of polygons and polyline ROIs so they can be opened in ImageJ
  *   fixed creation of OMERO pyramids for little-endian files
  *   improved error message when login fails for OMERO.insight
  *   improved handling of idle connections in OMERO.insight
  *   improved loading speed of LUT
  *   OMERO.insight and OMERO.importer are now compatible with Java 9

Sysadmin improvements include:

  *   improved installation documentation for OMERO.web, and OMERO.server on Debian 9, Ubuntu 16.04 and CentOS 7
  *   added an admin command and script to allow deletion of corrupted pyramids created by a bug introduced with OMERO 5.2 (new uncorrupted pyramids can then be generated - see Server Upgrade<> for details)
  *   allowed enforcement of a secure connection when importing data
  *   added commands to the CLI sessions plugin to enable the creation and removal of user sessions

Developer updates include:

  *   improved test infrastructure and coverage
  *   allowed filtering by namespace (ns) in webclient, API and annotations
  *   added support for more rendering parameters to the API
  *   added the option to respect a specific tile size
  *   added a method to load planes using JavaGateway
  *   added an example to the documentation for using “sudo” to create sessions for others with the JavaGateway
  *   documentation is now compatible with Sphinx 1.7

This release does not upgrade the version of Bio-Formats which OMERO uses, which remains at 5.7.3.

Upgrade information is on the server upgrade page -

The software is available at

Any problems or comments, please use the OME Forums or mailing lists -


The OME Team

Dr Helen Flynn
OME Technical Writer
Centre for Gene Regulation & Expression
Open Microscopy Environment
University of Dundee

The University of Dundee is a registered Scottish Charity, No: SC015096

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