# LocalAI v3.4.0 — Release & Upgrade Intelligence
- **Product:** LocalAI (https://localai.io)
- **Version:** v3.4.0
- **Released:** Aug 12, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/localai/updates/v3.4.0/

## Executive Summary (TL;DR)
LocalAI v3.4.0. Source highlight: What’s New in LocalAI 3.4.0 🎉

## New Features
- feat(webui): allow to specify image size
- feat(backends): add KittenTTS
- feat(kokoro): complete kokoro integration
- feat: add reasoning effort and metadata to template
- feat(transformers): add support to Dia
- feat(diffusers): add builds for nvidia-l4t

## Improvements
- WebUI improvements: now size can be set during image generation

## Bug Fixes
- fix(llama.cpp): do not default to linear rope
- fix(harmony): improve template by adding reasoning effort and system_prompt
- chore: add Dia to the model gallery, fix backend
- fix(l4t-diffusers): add sentencepiece