On software infrastructure. The Consensus Weekly Join the free weekly newsletter to learn about new articles, jobs, and funding in software infrastructure. Subscribe Python 3.14 garbage collection rigamarole Python 3.14.0 introduced a new incremental garbage collector. But reports of higher memory usage caused the Python team to revert the garbage collector changes in 3.14.5. We investigate how memory management works in Python and workloads that perform best and worst for the incremental garbage collector. By Phil Eaton · June 6, 2026 You are getting early access to this article as a subscriber. Your support makes articles like this possible. Thank you. Python 3.14.5 was just released and is the current latest stable version of Python. Python 3.14.0 (released in October, 2025) changed the garbage collector (GC) from traditional generational garbage collection to incremental garbage collection. We’ll get into what this means in this article.…