Jan. 20, 2026
pd.col expressions for cleaner code, Copy-on-Write for predictable behavior, and PyArrow-backed strings for 5-10x faster operations.deque: Implement Efficient Queues and Stacks deque to efficiently append and pop elements from both ends of a sequence, build queues and stacks, and set maxlen for history buffers.tprof, a Targeting Profiler tprof a targeting profiler for Python 3.12+. This article introduces you to the tool and why he wrote it.debugwand that help access Python applications running in Kubernetes and Docker containers using Python 3.14’s sys.remote_exec() function.diskcache: Your Secret Python Perf Weapon typing.cast which guarantees a cast type is also an appropriate sub-type.enums. Learn when you might want to use them in your code.