📝 Update release notes

[skip ci]

.github/labeler.yml

@@ -31,6 +31,7 @@ internal:
         - .pre-commit-config.yaml
         - pdm_build.py
         - requirements*.txt
+        - uv.lock
         - docs/en/data/sponsors.yml
         - docs/en/overrides/main.html
       - all-globs-to-all-files:

README.md

@@ -164,6 +164,8 @@ $ pip install "fastapi[standard]"
 Create a file `main.py` with:
 
 ```Python
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -175,7 +177,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -184,7 +186,9 @@ def read_item(item_id: int, q: str | None = None):
 
 If your code uses `async` / `await`, use `async def`:
 
-```Python hl_lines="7  12"
+```Python hl_lines="9  14"
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -196,7 +200,7 @@ async def read_root():
 
 
 @app.get("/items/{item_id}")
-async def read_item(item_id: int, q: str | None = None):
+async def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -287,7 +291,9 @@ Now modify the file `main.py` to receive a body from a `PUT` request.
 
 Declare the body using standard Python types, thanks to Pydantic.
 
-```Python hl_lines="2  7-10 23-25"
+```Python hl_lines="4  9-12  25-27"
+from typing import Union
+
 from fastapi import FastAPI
 from pydantic import BaseModel
 
@@ -297,7 +303,7 @@ app = FastAPI()
 class Item(BaseModel):
     name: str
     price: float
-    is_offer: bool | None = None
+    is_offer: Union[bool, None] = None
 
 
 @app.get("/")
@@ -306,7 +312,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 
 

docs/en/docs/deployment/docker.md

@@ -145,6 +145,8 @@ There are other formats and tools to define and install package dependencies.
 * Create a `main.py` file with:
 
 ```Python
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -156,7 +158,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 

docs/en/docs/index.md

@@ -161,6 +161,8 @@ $ pip install "fastapi[standard]"
 Create a file `main.py` with:
 
 ```Python
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -172,7 +174,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -181,7 +183,9 @@ def read_item(item_id: int, q: str | None = None):
 
 If your code uses `async` / `await`, use `async def`:
 
-```Python hl_lines="7  12"
+```Python hl_lines="9  14"
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -193,7 +197,7 @@ async def read_root():
 
 
 @app.get("/items/{item_id}")
-async def read_item(item_id: int, q: str | None = None):
+async def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -284,7 +288,9 @@ Now modify the file `main.py` to receive a body from a `PUT` request.
 
 Declare the body using standard Python types, thanks to Pydantic.
 
-```Python hl_lines="2  7-10 23-25"
+```Python hl_lines="4  9-12  25-27"
+from typing import Union
+
 from fastapi import FastAPI
 from pydantic import BaseModel
 
@@ -294,7 +300,7 @@ app = FastAPI()
 class Item(BaseModel):
     name: str
     price: float
-    is_offer: bool | None = None
+    is_offer: Union[bool, None] = None
 
 
 @app.get("/")
@@ -303,7 +309,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 
 

docs/en/docs/release-notes.md

@@ -36,6 +36,7 @@ hide:
 
 ### Internal
 
+* 🔧 Ensure that an edit to `uv.lock` gets the `internal` label. PR [#14759](https://github.com/fastapi/fastapi/pull/14759) by [@svlandeg](https://github.com/svlandeg).
 * 🔧 Update sponsors: remove Requestly. PR [#14735](https://github.com/fastapi/fastapi/pull/14735) by [@tiangolo](https://github.com/tiangolo).
 * 🔧 Update sponsors, LambdaTest changes to TestMu AI. PR [#14734](https://github.com/fastapi/fastapi/pull/14734) by [@tiangolo](https://github.com/tiangolo).
 * ⬆ Bump actions/cache from 4 to 5. PR [#14511](https://github.com/fastapi/fastapi/pull/14511) by [@dependabot[bot]](https://github.com/apps/dependabot).

docs/en/docs/tutorial/body-multiple-params.md

@@ -102,16 +102,15 @@ Of course, you can also declare additional query parameters whenever you need, a
 
 As, by default, singular values are interpreted as query parameters, you don't have to explicitly add a `Query`, you can just do:
 
-```Python
-q: str | None = None
-```
-
-Or in Python 3.9:
-
 ```Python
 q: Union[str, None] = None
 ```
 
+Or in Python 3.10 and above:
+
+```Python
+q: str | None = None
+```
 
 For example: