🦞 OpenClaw 2026.2.21 ♊ Gemini 3.1 🔒 Massive security hardening 🎙️ Discord streaming + voice channels 🧵 Thread-bound subagent sessions 📱 iOS/Watch polish + gateway stability 🧠 Prompt caching tweaks 100+ fixes shipped while Karpathy called us a noun https://github.com/openclaw/openclaw/rel…