Stack layer / Threat pattern
Claude Code 2.1.269 Ships a Plugin Eval Runner and a Knob to Raise the Workflow Tool's Concurrent Agent Cap to 256
Anthropic (claude-code CHANGELOG)
Stack layer / Threat pattern
humans& Released Persimmon, a 550B User Simulator That Fools LLM Judges About 20% of the Time in Group Chats
humans&
Stack layer / Threat pattern
SpecGuard Turns Speculative Decoding's Acceptance Rate Into a Free Runtime Backdoor Detector
arXiv
Policy dependency / Stack layer
Claude Code's agent view adds a peek panel so you can answer a blocked session without leaving the list
Claude Code Docs
Stack layer / Threat pattern
Willison and Alex Garcia ship Datasette security releases from their first frontier-model code audit, using three models
Datasette Blog
Stack layer / Threat pattern
Salesforce frames its agent stack as an 'Enterprise AI Harness' with a separate AI Control Plane
Salesforce
Stack layer / Threat pattern
TrueFoundry open-sources TrueForge, an MIT-licensed agent harness pitched against Claude Managed Agents
TrueFoundry
Policy dependency / Threat pattern
Anthropic adds an 'auto' permission policy that lets the server adjudicate every Managed Agents tool call, plus a terminal attach command
Claude Platform release notes