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Tools2026-09-04 · source-backed
Published September 4 at 03:01 UTC. Sandboxed commands on macOS and Linux can no longer reach services on your machine, and on macOS that includes a server the command itself starts on 127.0.0.1. Any test suite binding a local port now fails inside the sandbox until you enable Allow local network in /sandbox. Linux sandboxing additionally requires slirp4netns, nsenter, iptables, ip6tables, iptables-restore and ip6tables-restore on PATH or sandboxed commands won't launch. GitHub
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One Claude Code release fixed two independent permission-check bypasses on the same day. That's the story. Version 2.1.221, shipped August 4, patches a Bash tool bypass where zsh could execute hidden commands embedded inside [[ ]] regex conditionals. The approval prompt never...
A spec is a press release until someone who didn't write it implements it. GitHub made Agent Plugins 1.0 generally available on August 12 across VS Code, Copilot CLI, the Copilot SDK, and the Copilot app on all plans. The spec, published August 6, was co-authored by AWS, Anysp...
43.3% on Frontier-Bench v0.1. Opus 4.8 scored 18.7%. That's not an incremental bump, that's the same benchmark with a different shape of answer. Anthropic released Claude Opus 5 on July 24 at $5/$25 per million input/output tokens, exactly half of Fable 5's $10/$50, while matc...
Anthropic released Claude Fable 5.1 on September 1. Claude Code v2.1.257 made it the default Fable model at 17:53 UTC that day, with a 1M-token context window, $10 per million input tokens, $50 per million output, and $0.25 per million on cache reads (claude-code CHANGELOG). B...
Enterprise-managed MCP allowlists shipped August 6 across the Copilot app, Copilot CLI and VS Code, configured with allowedMcpServers and deniedMcpServers in copilot/managed-settings.json inside the org's .github-private repo. Match by serverUrl with wildcards for remote HTTP/...
Triple-stream retrieval (BM25 keyword, vector embeddings, knowledge-graph traversal) fused via Reciprocal Rank Fusion on the iii engine, with SQLite for state and an in-memory vector index, no external database. The economic claim: ~170K tokens/year (~$10) versus ~650K tokens...
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