---
date: 2026-04-20
title: "Changelog — April 20, 2026"
lang: en
author: ZhenYi
---

## Frontend & Design

- **Theme Switcher** — switch between light and dark modes, preferences saved automatically
- **New Design System** — refreshed visual design with consistent colors and styling
- **Channel sidebar toggle** — show or hide channel categories as needed
- **Member list** — collapsed by default for a cleaner look, expandable anytime

## File Attachments

- **Upload files to messages** — attach multiple files per message with full upload/download support
- Attachments display inline with proper file type icons

## AI Features

- **Project-aware tools** — AI now understands your repos, issues, boards, and team members
- **Deeper tool calls** — AI can handle more complex multi-step tasks

## Testing & Reliability

- Comprehensive API integration tests for all endpoints
- End-to-end browser tests (Playwright) for automated quality assurance

## What's Improved

- Message attachment upload reliability
- Frontend rendering performance
- Color consistency across all UI components