Version v0.1.6-alpha.1 adds a Web sidebar with persistent terminals, multiple tabs, and MCP resource support. Experimental options include browser tools and computer drivers.
Published on September 15, 2026, the announcement for Harness version v0.1.6-alpha.1 describes a Web sidebar with persistent terminals, multiple tabs, and MCP resource support. For experimental browser use, it lists Playwright MCP, Chrome DevTools MCP, and Stagehand; for computer use, it lists Cua Driver MCP or a native driver. The update expands the interfaces available to agents that need to interact with browsers, terminals, and local computers.
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