Python 3.14.1 Brings 558 Maintenance Fixes
Python 3.14.1 is the first maintenance release in the Python 3.14 series, adding roughly 558 bug fixes, build improvements, documentation updates, and security-related corrections.
Python 3.14.2 and 3.13.11 Fix Key Regressions
Python 3.14.2 and 3.13.11 are expedited maintenance releases that address regressions, security issues, and compatibility concerns across multiprocessing, dataclasses, HTTP handling, and more.
Python 3.14.3 and 3.13.12: What Developers Need to Know
Python 3.14.3 and 3.13.12 are maintenance releases with updated installers, source packages, checksums, and platform artifacts. Here is what developers and administrators should review before upgrading.
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Python 3.15 Alpha 6 Brings JIT and Profiling Updates
Python 3.15.0a6 offered developers an early preview of JIT improvements, new profiling tools, UTF-8 defaults, and other language changes. Here is what to test and what to avoid treating as production-ready.
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Python 3.12.13, 3.11.15 and 3.10.20 Security Updates
Python released source-only security updates for its 3.10, 3.11 and 3.12 branches on March 3, 2026. Here is what changed and how teams should assess affected runtimes.
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Python 3.14.5 Reverts Its Garbage Collector
Python 3.14.5 is the fifth maintenance release in the 3.14 series, with about 154 fixes and a return to Python 3.13-style generational garbage collection. Here is what developers and administrators should review before upgrading.
Python 3.14.6 and 3.13.14 Maintenance Releases Arrive
Python 3.14.6 and 3.13.14 shipped on June 10, 2026 with hundreds of bugfix, build, and documentation changes. Both versions have since been superseded, so teams should check the latest patch release before upgrading.
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Python 3.15 Enters Release Candidate Testing
Python 3.15.0rc3, released October 2, 2026, is the final planned release candidate. Python 3.15.0 final is scheduled for October 9. Test compatibility before that date.
Python 3.15.0rc2 Testing Guide
Python 3.15.0rc2 was the second release candidate. Python 3.15.0rc3, released October 2, 2026, is the final planned candidate, and 3.15.0 final is scheduled for October 9, 2026.
Python 3.15 JIT Shows Early Performance Gains
Python 3.15’s experimental JIT has exceeded its early performance target on two tested platforms. Here’s what the results mean, how to build it, and what remains unproven.