The article text detailing the updates for OpenClaw version 2.0 is not present in the provided markdown content. The provided information consists of website navigation, advertisements, and general site elements, rather than the core news story. Consequently, I am unable to extract key highlights, specific capabilities, benchmark numbers, named techniques, explanations of new methods or their differences from prior work, or any caveats and limitations that the update might entail. Without this factual basis, a summary adhering to the prompt's constraints regarding factual traceability cannot be generated.