Fixes

• 🐛 Fix support for background tasks and headers from dependencies in app.frontend(). PR #16105 by @tiangolo.

Docs

• 📝 Document FASTAPI_ENV in FastAPI CLI guide. PR #16104 by @tiangolo.

Features

• ✨ Add app.frontend(check_dir="auto"), to make local development more convenient with fastapi dev. PR #16102 by @tiangolo.

Fixes

• 🐛 Fix status_code being ignored for SSE and JSONL streaming endpoints. PR #15937 by @SAURABHSALVE.

Docs

• 📝 Fix format_sse_event docstring rendering of \n\n terminator. PR #15613 by @AshNicolus.
• 📝 Add API reference page for fastapi.sse. PR #15930 by @SAURABHSALVE.

Fixes

• 🐛 Fix line splitting in format_sse_event to comply with SSE spec. PR #15515 by @Zawwarsami16.

Fixes

• 🐛 Fix response_model_* params ignored for non-generator endpoints with Iterable[..] return type. PR #15093 by @YuriiMotov.

Fixes

• 🐛 Fix handling sequences with nested Annotated types. PR #14874 by @YuriiMotov.

Internal

• 🐛 Accept any base test failure as regression. PR #16092 by @tiangolo.
• 🐛 Preserve pytest exit code in regression check. PR #16091 by @tiangolo.
• ✅ Test PR regressions against base code. PR #16090 by @tiangolo.

Fixes

• 🐛 Fix exclude_defaults not propagated to dict keys and values in jsonable_encoder. PR #16043 by @MBGrao.

Internal

• ⬆ Bump gitpython from 3.1.50 to 3.1.54. PR #16047 by @dependabot[bot].
• ⬆ Bump pymdown-extensions from 10.21.3 to 11.0. PR #16048 by @dependabot[bot].
• ⬆ Bump pyasn1 from 0.6.3 to 0.6.4. PR #16045 by @dependabot[bot].

Fixes

• 🐛 Fix stream item type lost when using include_router(). PR #15077 by @alex-raw.

Refactors

• ⚡️ Avoid flattening dependencies for request parameters, mainly for OpenAPI. PR #16073 by @tiangolo.

Refactors

• ⚡️ Avoid flattening dependencies for body fields. PR #16071 by @tiangolo.