[Release] openclaw/openclaw v2026.4.15-beta.2: openclaw 2026.4.15-beta.2

OpenClaw v2026.4.15-beta.2 introduces Anthropic model updates with Claude Opus 4.7 as the default and new Gemini text-to-speech support in the Google plugin. The release includes improvements to gateway tool handling with enhanced security for local media tool-result passthrough and stricter validation of client tool definitions. Key enhancements focus on model defaults, TTS capabilities, and tool registration robustness.

Key Points

• •Anthropic models now default to Claude Opus 4.7 with opus aliases and CLI defaults configured
• •Claude Opus 4.7 includes bundled image understanding capabilities
• •Google plugin extended with Gemini text-to-speech (TTS) support
• •TTS provider registration and voice selection implemented for Google plugin
• •WAV reply output and PCM telephony output formats supported for TTS
• •Gateway tools security improved: trusted local MEDIA tool-result passthrough anchored to exact registered tool names
• •Client tool definitions now validated against normalized names to prevent injection attacks
• •Setup and documentation guidance provided for new TTS features

Workflow Diagram

Concepts