Version 3.4.2

New features/fixes

• User feedback (https://github.com/geonetwork/core-geonetwork/pull/2419) and additional improvements (https://github.com/geonetwork/core-geonetwork/pull/2708, https://github.com/geonetwork/core-geonetwork/pull/2712, https://github.com/geonetwork/core-geonetwork/pull/2725)
• Editor / Topic category widget should look like keywords.
• Editor / INSPIRE JRC validation
• Editor / INSPIRE view improvements
• XSL processing / Preview mode / Return error report.
• ISO19139 / Improve feature catalogs in metadata
• Fixes to WFS indexing & filtering
• Map viewer / Allow to customize gazetteer
• Support MEF in LocalFilesystemHarvester
• Fix deadlock threads while indexing

and more ... see 3.4.2 issues and pull requests for full details.