OpenClaw 2026.9.1 adds Mermaid diagrams and lighter long chats

Your move: 1,186 merged pull requests from 281 contributors

OpenClaw 2026.9.1 came out on September 3, 2026. It can now render Mermaid diagrams in chat, setup skips unnecessary steps, updates know when it's safe to apply themselves, and long chat histories load lighter than before. The release includes 1,186 merged pull requests and 28 direct commits from 281 contributors.

Why it matters

If you use OpenClaw for anything involving diagrams or flowcharts, or you keep long-running chat histories, this update should make both noticeably better. Update to get it.

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