Vibe CodingGemini 3.1 Pro Now in GitHub Copilot — 35% Better Engineering AccuracyGitHub Changelog·medium signalGemini 3.1 Pro available in public preview across all Copilot tiers. 35% higher accuracy vs Gemini 2.5 Pro. Fewer tool calls per benchmark.SourceSource pageGitHub Changelog↳ Follow the threadShared entity / Stack layerGitHub Copilot Adds Its First Open-Weight Coding Model: Moonshot's Kimi K2.7 Code Joins the Model PickerBuildFastWithAIStack layer / Update threadOpenAI's GPT-5.6 Sol, Terra, and Luna Land in GitHub Copilot the Day of Public RolloutGitHub ChangelogPolicy dependency / Stack layerPattern: Named Model Tiers Are Becoming the Primary Product Surface, Not the ModelOpenAIContrastGitHub logged six degraded-performance incidents in June 2026GitHub BlogStack layer / ContrastOpenAI launches ChatGPT Work, an agentic workspace on GPT-5.6, with Sol/Luna/Terra model tiersInfoWorldStack layer / Threat patternTRACE Watermarks Agent Trajectories Against Adversaries Who Control the LogsarXivSame source domain / Semantic neighborTip: Route Copilot Work Across Sol/Terra/Luna — the Cost Spread Is 5×GitHub ChangelogSame source domain / Semantic neighborGitHub Copilot takes a repo to a live custom domain with HTTPS in about 14 minutes, zero manual DNS editsGitHub Blog