# Open WebUI v0.3.16 — Release & Upgrade Intelligence
- **Product:** Open WebUI (https://openwebui.com)
- **Version:** v0.3.16
- **Released:** Aug 27, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/open-webui/updates/v0.3.16/

## Executive Summary (TL;DR)
Open WebUI v0.3.16. Source highlight: [0.3.16] - 2024-08-27

## New Features
- **🚀 Config DB Migration**: Migrated configuration handling from config.json to the database, enabling high-availability setups and load balancing across multiple Open WebUI instances.
- **🔗 Call Mode Activation via URL**: Added a 'call=true' URL search parameter enabling direct shortcuts to activate call mode, enhancing user interaction on mobile devices.
- **✨ TTS Content Control**: Added functionality to control how message content is segmented for Text-to-Speech (TTS) generation requests, allowing for more flexible speech output options.
- **😄 Show Knowledge Search Status**: Enhanced model usage transparency by displaying status when working with knowledge-augmented models, helping users understand the system's state during queries.
- **👆 Click-to-Copy for Codespan**: Enhanced interactive experience in the WebUI by allowing users to click to copy content from code spans directly.
- **🚫 API User Blocking via Model Filter**: Introduced the ability to block API users based on customized model filters, enhancing security and control over API access.

## Improvements
- **🔋 Wakelock Permission**: Optimized the activation of wakelock to only engage during call mode, conserving device resources and improving battery performance during idle periods.

## Bug Fixes
- **🔧 LaTeX Rendering Issue**: Addressed an issue that affected the correct rendering of LaTeX.
- **📁 File Leak Prevention**: Resolved the issue of uploaded files mistakenly being accessible across user chats.
- **🔧 Pipe Functions with '**files**' Param**: Fixed issues with '**files**' parameter not functioning correctly in pipe functions.
- **📝 Markdown Processing for RAG**: Fixed issues with processing Markdown in files.
- **🚫 Duplicate System Prompts**: Fixed bugs causing system prompts to duplicate.