Vibe CodingARC-AGI-2 Breaks 50% — Recursive Sub-Agent Delegation WinsSymbolica·high signalXBlueskyLinkedInCopy linkPoetiq 54% via iterative refinement loops. Symbolica Agentica 85.28% with recursive delegation averaging 2.6 agents/task, max 9 depth.SourceSource pageSymbolica↳ Follow the threadPolicy dependency / Stack layerA replay of 68,266 real Claude Code requests says plain LRU beats the clever KV-cache policiesGitHubStack layer / Threat patternA Malicious Super-App Can Silently Own Every Mini-App Inside It, and Russia's MAX Demonstrates the Full SetarXiv 2609.11814Stack layer / ContrastSakana AI Ships Fugu Max and Fugu Ultra v2, an Orchestrator That Routes Each Task to the Leanest Model, at $2/$6 per Million TokensSakana AIStack layer / Threat patternClaude Code 2.1.269 Ships a Plugin Eval Runner and a Knob to Raise the Workflow Tool's Concurrent Agent Cap to 256Anthropic (claude-code CHANGELOG)Policy dependency / Stack layerSGLang Hit With Unauthenticated Pickle RCE via /update_weights_from_tensor, the Fourth Critical Inference-Stack CVE in Four WeeksCERT Coordination CenterPolicy dependencyMicrosoft Agent Framework .NET 1.21.0 tracks A2A task state and breaks the file-access line-numbering contractGitHub ReleasesPolicy dependency / Stack layerHolding Back Ready Agent Turns Instead of Releasing Them Eagerly Cuts P95 Workflow Latency up to 3.50xarXiv 2609.10964Stack layer / Threat patternSalesforce frames its agent stack as an 'Enterprise AI Harness' with a separate AI Control PlaneSalesforce