Overview

Sanic 25.12, released on December 31, 2025, is an LTS release that introduces daemon mode.

Main Features

LTS release

Sanic 25.12 is a long-term support (LTS) release, guaranteeing security fixes for an extended period.

python 
from sanic import Sanic, json

app = Sanic('demo')

@app.get('/')
async def home(request):
    return json({'version': '25.12', 'lts': True})

# Daemon mode
# sanic demo:app --daemon

Daemon mode

Daemon mode allows running Sanic in the background, simplifying production deployment without an external supervisor.

Sources