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wire 2026-07-25
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FASTAPI 0.140.0 CUTS MEMORY OVERHEAD IN DEPENDENCIES

By RepoJournal · Filed · About FastAPI & Pydantic · Composed from the cited sources · methodology

tiangolo github-actions[bot] YuriiMotov
3 people shipped this
tiangolo @tiangolo 2 cited github-actions[bot] @github-actions[bot] 1 cited YuriiMotov @YuriiMotov 1 cited

FastAPI shipped a memory optimization that simplifies how dependencies are processed, backed by months of community analysis and benchmarking.

Version 0.140.0 landed with a core refactor that reduces memory usage in the dependency system [1], the result of deep work by the team to address inefficiencies identified across multiple discussions and previous attempts [2]. The release also updated docs to use uv projects by default and added new Library Skills documentation [1], moving the framework closer to modern Python tooling standards. Separately, CI now includes memory benchmarks [4] to catch future regressions automatically. Docs cleanup work fixed 404 links and redirects [3], small but necessary housekeeping as the ecosystem stabilizes.

$ ls fastapi/reviews/ # the step-back reads

the week in review Pydantic adds counter and ordered-dict core schemas the month in review Pydantic hardens core, FastAPI revamps docs
Topics: Python Full archive → Weekly reviews →

Quick answers

What shipped in FastAPI & Pydantic on July 25, 2026?
FastAPI shipped a memory optimization that simplifies how dependencies are processed, backed by months of community analysis and benchmarking. In total, 4 commits, 4 pull requests, and 1 releases landed.
Who contributed to FastAPI & Pydantic on July 25, 2026?
3 developers shipped this update, including github-actions[bot], tiangolo, and YuriiMotov.
What were the notable FastAPI & Pydantic updates?
0.140.0, ⚡️ Reduce memory usage in dependencies, and 📝 Fix links in docs.
♥

$ log FastAPI & Pydantic --recent

SQLModel narrows SQLAlchemy type handling in Field, drops dataclass_transform shim 11 shipped FastAPI & Pydantic: no material update 1 shipped Two new pydantic core schemas, counter and ordered-dict 8 shipped Pydantic docs examples stop passing silently, debug Python target lands in CI 6 shipped

$ log --all # elsewhere on the wire

Shopify Shopify CLI recovers from storage permission errors and versions in JSON @golang Salsa20 gets a loong64 SIMD path

$ ls showcases/

Rails Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux Anthropic

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