Python 3.13: sunset date 2029-10
The sunset date for Python 3.13 is 2029-10 (October 2029). The source gives the month only, not a day, and marks it as scheduled and subject to change, so no days-left count is shown: month only per source. The source was read on 2026-10-12.
- Provider
- Python Software Foundation
- Category
- language-runtime
- Sunset date
- 2029-10 (month only per source)
- What stops working
- Python 3.13 reaches end of life and stops receiving security fixes. The source shows this date in italics, meaning scheduled and subject to change.
- Replacement
- Python 3.14 or newer
Source
Status of Python versions (devguide.python.org). Read on 2026-10-12. Confirm the date on that page before acting.
Official source (copy into your browser): https://devguide.python.org/versions/
Related sunsets
- Python EOL dates: all Python versions
- Python 3.12 (2028-10, month only per source)
Earlier 34-date snapshot as one CSV + PDF calendar (this site lists more dates than the file)