Neo4j Bloom is a data visualization tool that allows non-technical users to inspect and interact with graph databases by panning and zooming graphs, taking screenshots, selecting nodes to view their properties and relationships, editing nodes and relationships, using templates to view metadata, and performing searches using suggestions or templates. Neo4j 3.4 includes new features such as date/time formatting, 3D geospatial search capabilities, and support for additional data formats as well as multiple performance improvements.