Optimizations include tighter garbage-collection scheduling and smaller internal data structures. Liquid Web The November 2025 "Sunsetting"
| Package | Compatible with 3.14.1? | Notes | | :--- | :--- | :--- | | | ✅ Yes (1.27+) | Requires --disable-gil == nogil branch | | Pandas | ⚠️ Partial | Some date-parsing segfaults reported | | Django | ✅ Yes (5.1+) | ASGI performance improved 20% | | TensorFlow | ❌ No | Needs at least Q1 2026 | | FastAPI | ✅ Yes | Works with anyio 4.5+ | | Requests | ✅ Yes | v2.33+ is required | cpython release november 2025 new
: Users still on 3.9 are strongly urged to upgrade to 3.13 or 3.14 to avoid unpatched vulnerabilities. . By November
. By November, the codebase was frozen, meaning no further security or bug fixes are provided by the Python Core Development team Python 3.15 Alpha Development : The development cycle for Python 3.15 the codebase was frozen