The 4.2 version of Data Modeler is out: http://www.oracle.com/technetwork/developer-tools/datamodeler/downloads/index.html

New features (http://www.oracle.com/technetwork/developer-tools/datamodeler/downloads/dm-newfeatures-42-3220396.html):

Import from Oracle Database

•  Support for Oracle Database 12c Release 2
•  Performance and filtering enhancements
•  Ability to define Oracle Client for thick connections
•  View and materialized view driving query and columns now parsed and validated during import

General

•  Better management of change requests
•  Design rules can be invoked directly on Subview or selection of objects
•  More formats are supported in export/import functionality for glossaries
•  Improvements in performance
•  New models are shown as a single node in pending changes window

Diagrams

•  Print diagrams to SVG and HTML/SVG file – for logical and relational model diagrams
•  Better handling of labels in Logical model diagrams

Versioning

•  Improvements in performance
•  Removed usage of SVN properties as additional metadata layer
•  Git supported for design repository via ‘git svn’ – Modeler will use SVN calls against your Git repository

Reporting

•  PDF diagrams can be embed into PDF report
•  SVG diagrams can be embed in HTML reports
•  External CSS file is used for formatting

Bugs fixed (http://www.oracle.com/technetwork/developer-tools/datamodeler/downloads/dm-bugsfixed-42-3418891.html):