Changelog
The latest releases of Xeref.ai: 50+ releases, from v1.0 Beta to v6.3.
v6.3October 3, 2026
Sonnet 5.5 by Default
- ImprovedSonnet 5.5 is now the default model on Pro and Ultra, and Sonnet 5.0 is gone from the model picker.
- ImprovedOpus Plan Mode, chat compaction and background routines also use Sonnet 5.5 now.
- FixImage models now draw in Xeref Code sessions: pick Nano Banana 2 or GPT Image 2 and the image stays in the session after a refresh.
v6.2October 2, 2026
Xeref Dots
- NewXeref Dots, on Ultra: an agent that owns an ongoing responsibility, runs on a schedule with the tools you allow, and leaves a report each run.
- NewClaude Sonnet 5.5 for Pro and Ultra, and GPT-6.1 Sol on Ultra, are now in the model picker.
- NewAnswer receipts: every chat reply shows which model answered, how many tokens it used, and how fast it started.
- NewA new Agent Skill page at xeref.ai/skill lets Claude Code, Cursor or any MCP client read and update your projects, tasks and notes.
v6.1September 28, 2026
Working MCP Tools
- NewMCP tools in Settings → Dispatch now work: Context7, GitHub, Supabase and Sequential Thinking, on Pro and Ultra, all switched off by default.
- ImprovedThe MCP list shows only servers that work, and a server that still needs a key or connection says “Setup needed”.
Release recaps on the blog
- Xeref v6.0–v6.3: Code Sessions, Dots, and Answer Receipts
- Xeref v5.6–v5.9: New Models, Safer Memory, and Questions You Can Click
Blog recaps are in English.