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OpenClaw releases version v2026.4.25, with a comprehensive upgrade to TTS and the addition of support for six major speech service providers
Deep Tide TechFlow News, April 27th, according to the official GitHub release notes of OpenClaw, OpenClaw released version v2026.4.25 on April 27th. This update covers multiple core modules including voice, plugins, observability, and browser automation, with the main highlights as follows:
TTS comprehensive upgrade: Added support for six major voice service providers—Azure Speech, Xiaomi MiMo, ElevenLabs v3, Inworld, Volcengine Volcano Engine, and local CLI—and introduced new features such as automatic TTS control at chat session level, TTS persona (Personas) binding, and cross-agent/account level coverage configuration;
Plugin registry optimization: Moved plugin startup and installation paths to the cold persistent registry, reducing full Manifest scans, and improving the certainty of plugin updates, fixes, and discovery;
OpenTelemetry extension: Covered full-chain observability metrics including model invocation, token usage, tool loops, Harness execution, process execution, message delivery, context assembly, and memory pressure;
Browser automation enhancement: Supported iframe role snapshot awareness, CDP readiness tuning, headless one-click startup, and deeper browser diagnostic probes;
Installation stability improvement: Fixed multi-platform installation and update issues on Windows, macOS, Linux, and Docker, including LaunchAgent token rotation and hybrid version gateway verification.