PEP 596 Python 3.9 Release Schedule

See also

Release Manager and Crew

  • 3.9 Release Manager: Łukasz Langa

  • Windows installers: Steve Dower

  • Mac installers: Ned Deily

  • Documentation: Julien Palard

3.9.0 schedule

Note: the dates below use a 17-month development period that results in a 12-month release cadence between major versions, as defined by PEP 602.

Actual

  • 3.9 development begins: Tuesday, 2019-06-04

  • 3.9.0 alpha 1: Tuesday, 2019-11-19

  • 3.9.0 alpha 2: Wednesday, 2019-12-18

  • 3.9.0 alpha 3: Saturday, 2020-01-25

  • 3.9.0 alpha 4: Wednesday, 2020-02-26

  • 3.9.0 alpha 5: Monday, 2020-03-23

  • 3.9.0 alpha 6: Tuesday, 2020-04-28

  • 3.9.0 beta 1: Monday, 2020-05-18 (No new features beyond this point.)

  • 3.9.0 beta 3: Tuesday, 2020-06-09 (beta 2 was recalled.)

  • 3.9.0 beta 4: Friday, 2020-07-03

  • 3.9.0 beta 5: Monday, 2020-07-20

Expected

  • 3.9.0 candidate 1: Monday, 2020-08-10

  • 3.9.0 candidate 2: Monday, 2020-09-14

  • 3.9.0 final: Monday, 2020-10-05