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<div class="">Dear All,</div>

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<div class="">We are pleased to announce the release of OMERO 5.4.2, a bug-fix release.</div>

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<div class="">Improvements include:</div>

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<li class="">added documentation on a complete workflow for publishing data from OMERO.server (see <a href="https://docs.openmicroscopy.org/omero/5.4.2/sysadmins/public.html" class="">https://docs.openmicroscopy.org/omero/5.4.2/sysadmins/public.html</a>)</li><li class="">added references to the new OMERO pyramid format documentation (within the OME Data Model and File Formats documentation - see

<a href="https://docs.openmicroscopy.org/latest/ome-model/omero-pyramid/index.html" class="">

https://docs.openmicroscopy.org/latest/ome-model/omero-pyramid/index.html</a>)</li><li class="">faster loading of thumbnails for large Plates after a recent regression</li><li class="">made projecting images belonging to another user only possible for users with the required permissions to save the new images</li><li class="">improved the public user experience for password-less access</li><li class="">updated SwingX library version used by OMERO.insight to stop insight-ij plugin crashing in Fiji</li><li class="">CLI updates:

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<li class="">``import --target`` into a container without the necessary permissions now fails before file upload starts and more transparently</li><li class="">``admin mail`` timeout is now configurable via ``--wait``</li><li class="">added ``admin log`` command for inserting statements to the server log</li></ul>

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<div class="">Sysadmin changes include:</div>

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<li class="">added warning about the need to regenerate your NGINX config for every upgrade</li><li class="">fixed documentation bug affecting OMERO-version-specific guidance</li><li class="">improved OMERO.tables startup stability</li><li class="">server performance improvements and reduction in ERROR logging</li></ul>

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<div class="">Developer updates include:</div>

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<li class="">extended Python and Java examples to include Map Annotations and histograms</li><li class="">added methods for updating OMERO.tables</li><li class="">Java Gateway fixes for sessions and rendering</li><li class="">fixed retrieval of Plate thumbnail URLs</li><li class="">improved Editing OMERO.web documentation</li><li class="">improved Slice documentation for API deprecations</li><li class="">added instructions to documentation for OMERO.cli extensions on how to create CLI plugins that are ``pip`` installable (see <a href="https://docs.openmicroscopy.org/omero/5.4.2/developers/cli/extending.html" class="">https://docs.openmicroscopy.org/omero/5.4.2/developers/cli/extending.html</a>)</li><li class="">substantial effort to make third-party repositories easily testable; see

<a href="https://github.com/openmicroscopy/omero-test-infra" class="">https://github.com/openmicroscopy/omero-test-infra</a> for more information</li></ul>

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<div class="">This release also upgrades the version of Bio-Formats that OMERO uses to 5.7.3, see <a href="https://docs.openmicroscopy.org/bio-formats/5.7.3/about/whats-new.html" class="">https://docs.openmicroscopy.org/bio-formats/5.7.3/about/whats-new.html</a>.</div>

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<div class="">Upgrade information is on the server upgrade page - <a href="https://docs.openmicroscopy.org/omero/5.4.2/sysadmins/server-upgrade.html" class="">https://docs.openmicroscopy.org/omero/5.4.2/sysadmins/server-upgrade.html</a>. </div>

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<div class="">The software is available at <a href="https://www.openmicroscopy.org/omero/downloads/" class="">https://www.openmicroscopy.org/omero/downloads/</a></div>

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<div class="">Any problems or comments, please use the OME Forums or mailing lists - <a href="https://www.openmicroscopy.org/support/" class="">https://www.openmicroscopy.org/support/</a></div>

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<div class="">Regards,</div>

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<div class="">The OME Team</div>

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<div class="">Dr Helen Flynn</div>

<div class="">OME Technical Writer</div>

<div class="">Centre for Gene Regulation & Expression</div>

<div class="">Open Microscopy Environment</div>

<div class="">University of Dundee</div>

<div class=""><a href="http://openmicroscopy.org/" class="">http://openmicroscopy.org</a></div>

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<span style="font-size:10pt;">The University of Dundee is a registered Scottish Charity, No: SC015096</span>

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