◉CLAUDE LABJP
●2.1.301 — Adds the vim % motion, LaTeX math rendering in the VS Code panel, and a retry-watchdog limit for usage-limit waits (10/15)●2.1.299 — Conversations over 200K tokens left idle about 54 minutes get compacted; MCP allow rules now match only the server they name●SONNET 4.5 — Retires on the Claude API on 11/30, 45 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●FAST MODE — Opus 5.5 fast mode is out of research preview and no longer needs the beta header (10/15)●NEW — I Put a Ten-Line Promise File at the To…●2.1.301 — Adds the vim % motion, LaTeX math rendering in the VS Code panel, and a retry-watchdog limit for usage-limit waits (10/15)●2.1.299 — Conversations over 200K tokens left idle about 54 minutes get compacted; MCP allow rules now match only the server they name●SONNET 4.5 — Retires on the Claude API on 11/30, 45 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●FAST MODE — Opus 5.5 fast mode is out of research preview and no longer needs the beta header (10/15)●NEW — I Put a Ten-Line Promise File at the To…
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Claude Mythos

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◉ Claude AI/2026-04-11Advanced

Claude Mythos Preview and Project Glasswing: What the Published Numbers Actually Say

A sourced walkthrough of Claude Mythos Preview and Project Glasswing using only figures Anthropic has published: 10,000+ vulnerabilities, the patching bottleneck, and a measured repository-scanning implementation you can run today with generally available models.

◉ Claude AI/2026-05-04Advanced

Claude Mythos in Production: A Deployment Playbook From Internals to Operations

Most Claude Mythos coverage stops at conceptual overviews. This playbook covers actual production deployment — System Card highlights that change implementation, gateway architecture, sandboxing, prompt-injection defense, monitoring, and scaling — with patterns from running Mythos-aware services.

◉ Claude AI/2026-05-02Intermediate

Claude Mythos Explained — Understanding Anthropic's New Agent-Focused Product Through Its System Card

A deep dive into Claude Mythos, Anthropic's new sandboxed agent model. Covers the system card, sandbox architecture, comparison with general Claude models, and practical adoption scenarios.

◉ Claude AI/2026-04-27Beginner

Claude Mythos in Practice — Anthropic's New Model Spec and Where It Earns Its Keep

Anthropic quietly rolled out something called 'Claude Mythos.' Here's what it actually is, when to reach for it, and what I learned after spending a week with it in real projects.

◉ Claude AI/2026-04-12Advanced

Project Glasswing Explained: Next-Generation Enterprise Defense Using Claude Mythos

Glasswing's operational model, partner scenarios, ethical AI security challenges, responsible disclosure frameworks, and industry-wide impact.