Python Programming Learning Circle

Sep 6, 2025 · Fundamentals

Why Async in Python Still Struggles: GIL, Free Threads, and the Future of Concurrency

Python’s async features, introduced in 3.5, excel at network I/O but face limitations from the GIL, lack of async file I/O, and fragmented library support, while upcoming 3.14 enhancements like free threads and sub‑interpreters promise broader concurrency, yet raise new integration challenges.