Release / 2026-09-23

Zed v1.21.0

Run any language server command from a picker.

Before you upgrade to v1.21.0

cmd-c (macOS) or ctrl-c copies plain text from the agent panel; copying as Markdown moved to the context menu.

Behavior changedAsk an AI agent in the editor to read, edit and run commands across your project, and review its changes.

Read the evidence

What changed in v1.21.0

A language server command picker, a setting that keeps the system awake during long agent turns, Claude Opus 5.5 and GPT-6 Astra, Sol and Luna with your own keys, faster rendering. The agent panel copies plain text with cmd-c/ctrl-c; Markdown preview font settings moved under markdown_preview (auto-migrated). Covers v1.20 and v1.21.

Also: Cursor movement animation, opening Markdown in rendered preview, Emmet wrap with abbreviation.

Stable v1.21.0.

Fixed and improved

A picker lists and runs language server commands.

ImprovedGet completion, diagnostics and code navigation from language servers configured per language.

Read the evidence

zed-industries/zed/releases/tag/v1.21.0

Claude Opus 5.5 and GPT-6 Astra, Sol and Luna with your own keys.

ImprovedUse your own API keys for model providers such as Anthropic, OpenAI, Google AI, Mistral, xAI or OpenRouter, or local models through Ollama or LM Studio.

Read the evidence

zed-industries/zed/releases/tag/v1.21.0

Seeded by @iluxav with Claude Code (canido), from the release's public sources. Each change links to its evidence.