3.1.0

• Support US Patent Office granted patents

2.6.6

• Add open access journal papers example study
• Run as a Python module and as a command
• Add program version option
• Fix development dependencies
• Improve documentation
• Update dependencies
• Add CI GitHub actions
• Make tests runnable from any directory
• Normalize DOAJ fields
• Add table construction unit tests
• Add reference and citation count fields
• Other bug and documentation fixes

2.6.0

• Allow Crossref queries to attached databases
• Improved CD₅ index calculation
• Improved CLI invocation diagnostics

2.5.2

Release

2.4.0

Add support for selecting Crossref data through attached database tables.