Overview

Starlette 0.27, released on May 16, 2023, establishes a baseline for the ASGI ecosystem with stabilized APIs.

Main Features

Ecosystem baseline

Routing, middleware, and request handling APIs are stabilized. This version serves as the foundation for FastAPI and other ASGI frameworks.

python 
from starlette.applications import Starlette
from starlette.routing import Route
from starlette.responses import JSONResponse

async def homepage(request):
    return JSONResponse({'hello': 'world'})

app = Starlette(routes=[
    Route('/', homepage),
])

Sources