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November 12, 2026: PostgreSQL 18.7, 17.12, 16.16, 15.20, 14.25, and 19 RC 2 Released!

Documentation → PostgreSQL 15

Supported Versions: Current (18) / 17 / 16 / 15 / 14

Development Versions: 19 / devel

Unsupported versions: 13 / 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0

46.10. Python 2 vs. Python 3
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46.10. Python 2 vs. Python 3

PL/Python supports only Python 3. Past versions of PostgreSQL supported Python 2, using the plpythonu and plpython2u language names.

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46.9. Utility Functions	Home	46.11. Environment Variables

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