Enhancements 🎉

• Support ORC and CSV in redshift.copy_from_files function by @LeonLuttenberger in #2849
• Support different merge conditions in athena.to_iceberg function by @aldder in #2861
• Manage NULL values in athena.to_iceberg merge statement by @aldder in #2872
• Upgrade Ray to 2.30 by @jaidisido in #2870

Bug fixes 🐛

• Fix tz attribute check, it was checking dtype instead of dt by @sanrodari in #2855
• PyArrow backend trimming timestamp to date by @LeonLuttenberger in #2875
• Replace deprecated ray parallelism arg with override_num_blocks by @kukushking in #2876

Documentation 📚

• Adding NotebookVersion Parameter as specified in official AWS Docs by @DaxterXS in #2867
• Fix default value in doc string for athena_query_wait_polling_delay parameters by @niklasr22 in #2873

Security Dependency Updates 🛡️

• Bump urllib3 from 1.26.18 to 1.26.19 by @dependabot in #2859
• Bump certifi from 2024.6.2 to 2024.7.4 by @dependabot in #2886

New Contributors

• @aldder made their first contribution in #2861
• @DaxterXS made their first contribution in #2867
• @sanrodari made their first contribution in #2855
• @niklasr22 made their first contribution in #2873

Full Changelog: 3.8.0...3.9.0