Was today the day a new version of Python came out?
NO
No — Python 3.15.0 shipped on 9 October 2026; today is just a Sunday 16 days later.
Why
- Python 3.15.0 first released 2026-10-09
- Next up: Python 3.16, planned 2027-10-06
- Python 3.10 went end-of-life on 2026-10-01