# LocalAI v3.5.3 — Release & Upgrade Intelligence
- **Product:** LocalAI (https://localai.io)
- **Version:** v3.5.3
- **Released:** Sep 19, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/localai/updates/v3.5.3/

## Executive Summary (TL;DR)
LocalAI v3.5.3. Source highlight: fix(diffusers): fix float detection

## New Features
- chore(model gallery): add mistralai_magistral-small-2509
- chore(model gallery): add impish_qwen_14b-1m
- chore(model gallery): add aquif-3.5-a4b-think

## Bug Fixes
- fix(diffusers): fix float detection