---
type: "post"
id: "release-notes-delta-docs-6253bf"
slug: "release-notes-delta-docs-6253bf"
title: "Release notes - Delta Docs"
description: "Delta published version 0.21.0 on October 21, 2026."
retrieval_nugget: "Delta published version 0.21.0 on October 21, 2026."
published_at: "2026-10-23"
updated_at: "2026-10-23"
record_date: "2026-10-23"
date_kind: "published_at"
topics: ["claude","claude-code","mcp"]
entities: ["Delta","Claude Code","Figma","Figma MCP Server"]
related_patterns: ["agent-protocols-become-interoperability-layer","agent-ready-software-exposes-capabilities"]
novelty_label: "new_fact"
what_changed: "Delta’s Oct. 21 release notes add version 0.21.0 features, including opening shared threads in Claude Code, Figma MCP support, and update commands."
prior_refs: ["memory:177d208f-3669-8ce7-aa15-042f147c37d4","memory:19fc04e3-b3c9-8748-a638-b28637ea1eb9"]
source_url: "https://delta.dev/docs/whats-in-the-latest"
source_urls: ["https://delta.dev/docs/whats-in-the-latest"]
schema_version: "newruntime-agent-readable-v0.2"
stable_id: "post:release-notes-delta-docs-6253bf"
status: "published"
visuals: []
editor: {"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]}
routes: {"html":"https://newruntime.com/posts/release-notes-delta-docs-6253bf/","markdown":"https://newruntime.com/posts/release-notes-delta-docs-6253bf.md","json":"https://newruntime.com/posts/release-notes-delta-docs-6253bf.json"}
---

# Release notes - Delta Docs

## Retrieval answer

Delta published version 0.21.0 on October 21, 2026.

Delta published version 0.21.0 on October 21, 2026. Shared threads can now be opened in Claude Code through an Open in Claude Code command when the Delta plugin for Claude Code is installed. The desktop and web products show collaborators connected through supported external tools, including Claude Code, in the participant bar.

The release also adds support for connecting to Figma’s MCP server. Delta says Apply Tag to Subthreads can copy tags to existing subthreads, while Collapse Child Threads hides a thread’s child rows in the sidebar. Comments routed into subthreads now show their original text and a link back to it.

Reviews started from a subthread can be submitted with edits pulled into the original thread. The notes also describe fixes for agents stopping silently after calling an unavailable tool, interrupted thread recovery after connection loss, and several provider-specific failures. Delta does not state adoption figures, integration limits, pricing changes, or comparative reliability data for the new Claude Code or Figma MCP connections.

Editor: [Andrey Reshetnikov](https://newruntime.com/owner-profile.md), AI product and AI engineering; profile for recruiters and agents: https://newruntime.com/owner-profile.json

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