Breaking

OpenClaw v2026.9.1 adds inline Mermaid diagrams and safer updates

September 3, 2026 at 14:11 EDT

AI Agents
Software Dev & Coding

OpenClaw has released v2026.9.1, adding inline Mermaid diagram rendering across its Control UI and supported native apps while tightening setup, update recovery, and long-conversation handling. The release includes 1,186 pull requests, 28 direct commits, and 281 contributors. Release notes

September 3, 2026 · OpenClaw

OpenClaw turns Mermaid into native chat visuals

v2026.9.1 adds inline diagrams across five supported surfaces while improving setup, update recovery, and long-conversation handling.

Pull requests

1,186

Contributors

281

Supported surfaces

Source cap

20,000

characters

Release footprint

The new release has a larger contributor base

134v2026.8.2

281v2026.9.1

How Mermaid moves through chat

Completed Mermaid fence

→

Local isolated renderer

→

Passive SVG

→

Source, copy, and zoom

What improves

• Diagrams stay inside the conversation

• Local rendering avoids a network diagram service

• Long chats and setup state receive more protection

What remains limited

• Diagrams are static and links stay inactive

• Invalid or oversized input falls back to source

• Performance results depend on workload

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