not much happened today

**xAI** released open weights for **Grok-2** and **Grok-2.5** with a novel MoE residual architecture and μP scaling, sparking community excitement and licensing concerns. **Microsoft** open-sourced **VibeVoice-1.5B**, a multi-speaker long-form TTS model with streaming support and a 7B variant forthcoming. **Motif Technology** published a detailed report on **Motif-2.6B**, highlighting Differential Attention, PolyNorm, and extensive finetuning, trained on AMD MI250 GPUs. In coding tools, momentum builds around **GPT-5**-backed workflows, with developers favoring it over Claude Code. **Alibaba** released **Qwen-Code v0.0.8** with deep VS Code integration and MCP CLI enhancements. The MCP ecosystem advances with LiveMCP-101 stress tests, the universal MCP server "Rube," and LangGraph Platform's rollout of revision queueing and ART integration for RL training of agents.