OpenClaw has released version 2026.4.21, addressing a critical privilege escalation vulnerability and integrating OpenAI's latest image generation model, GPT-Image-2. The update enhances security by patching a command privilege flaw that allowed unauthorized access when certain configurations were not set. Additionally, the platform now defaults to using GPT-Image-2 for image generation, with new 2K and 4K prompts added to its documentation. The update also improves error logging and fallback mechanisms for OpenAI API errors, ensuring better transparency and reliability. Other enhancements include immediate blocking of browser plugin requests when accessibility nodes are missing and fixing Slack message threading issues.