[OpenClaw Releases Version 2026.4.7, Introducing Persistent Knowledge Layer and Other New Features] Deep Tide TechFlow reports, on April 8, according to the official announcement, OpenClaw has released the 2026.4.7 version update, adding several core features: 1. Launch of the headless inference hub openclaw infer, providing a unified CLI interface to support multimodal inference for models, images, audio, TTS, video, web pages, and embeddings. 2. Introduction of Webhook-driven TaskFlow, enabling external systems to create and drive task flows via shared key endpoints. 3. Release of the memory-wiki persistent knowledge layer, supporting structured knowledge declarations, evidence management, contradiction detection, and freshness tracking, with optional compatibility with the Obsidian knowledge base format. Additionally, this update includes new support for the Arcee, Gemma 4, and Ollama visual models.