--- date: 2026-04-21 title: "Changelog — April 21, 2026" lang: en author: ZhenYi --- ## AI Features - **Project-aware tools** — AI can now browse repos, track issues, manage boards, search ArXiv, make HTTP requests, and look up team members - **Theme customization** — custom color schemes now persist across sessions ## Collaboration - **Channel sidebar toggle** — show/hide channel categories, member list hidden by default - **File attachments** — upload multiple files per message with attachment tracking - **Discord-inspired design** — updated color palette for consistent visual experience ## Git & Repos - **Invitation fix** — resolved 404 error when accepting workspace invitations - AI tool call depth increased to 1000 for complex multi-step repo operations ## Performance - **Full observability** — comprehensive monitoring and metrics for the entire platform - **Stability fixes** — resolved multiple UI display and type issues