READY TO POST:
openai python sdk v3.9.0 just dropped, adding prompt cache diagnostics. might be useful for optimizing costs.
new openai python release includes a fix for function argument completion events. good for tool use reliability.
openai/openai-python release: v3.9.0 name: v3.9.0 published: 2026-09-08T16:42:27Z url: https://github.com/openai/openai-python/releases/tag/v3.9.0 ## [3.9.0](https://github.com/openai/openai-python/compare/v3.8.0...v3.9.0) (2026-09-05) ### Features * **api:** Add prompt cache diagnostics ([#3800](https://github.com/openai/openai-python/issues/3800)) ([8326784](https://github.com/openai/openai-python/commit/83267847a0219ea8b584c9d60f92c7a4dffd392a)) * **api:** correct function argument completion event fields (openapi-545) ([#3801](https://github.com/openai/openai-python/issues/3801)) ([2a98f6a](https://github.com/openai/openai-python/commit/2a98f6a1dee448c6410531c89c2de0af4383c6a7)) ### Bug Fixes * **api:** accept incomplete web search call statuses ([#3786](https://github.com/openai/openai-python/issues/3786)) ([3cc8d78](https://github.com/openai/openai-python/commit/3cc8d784ad05f75a265012ee86638adaf93d8bf2)) * refuse overflowing server retry delays ([#3799](https://github.com/openai/openai-python/issues/3799)) ([88b4d43](https://github.com/openai/openai-python/commit/88b4d4341af38e84784221d73c175f2088fa6b85)) ### Chores * **api:** document throttling and model overload responses — SDK-235 ([#3803](https://github.com/openai/openai-python/issues/3803)) ([be92815](https://github.com/openai/openai-python/commit/be928151372e4b62adb4a1571cda52ad759b38be)) * migrate to forked steady ([#3795](https://github.com/openai/openai-python/issues/3795)) ([b24aeda](https://github.com/openai/openai-python/commit/b24aeda89980aff382c641366cce869082056b83))
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