Timeline
Three regressions confirmed: reasoning effort, context retention, and verbosity changes
Anthropic publishes post-mortem on Claude Code quality issues
Release of a comprehensive cheat sheet for Claude Code aggregating CLI commands, MCP configurations, and workflow shortcuts.
Released Playwright MCP Server for generating web tests from natural language prompts
Announced 46:1 context cache ratio for managing 39 projects and integration with FastMCP
Critical security vulnerabilities (CVE-2026-35022) disclosed, requiring immediate patching and cessation of authentication helper use.
Open-source alternative to Anthropic's Claude Cowork emerges with local voice and agent features
Vulnerability disclosed (CVE-2025-59536, CVE-2026-21852) involving prompt injections exfiltrating files.
Announced as a new feature providing 1 million token context window
Leaked configuration for 'Claude Cowork' AI agent system that automates browser tasks
Ecosystem
Claude Code
Claude Cowork
Evidence (10 articles)
How to Lock Down Claude Code After the Cowork Prompt Injection Scandal
Mar 30, 2026Cowork Hardcodes 'Medium' Effort for Opus 4.6, Ignoring Your Settings
Mar 25, 2026Anthropic's Claude Coworker Targets High-Value Professions with Specialized AI Tools
Feb 24, 2026Stop Reviewing AI Code. Start Reviewing CLAUDE.md.
Mar 30, 2026Claude Managed Agents: How to Build on the Platform Instead of in Its Gaps
Apr 10, 2026Anthropic Hits $30B Annualized Revenue, Sparking $1T Valuation Talk
Apr 19, 2026Cisco's Memory Poisoning Report: Why Claude Code Users Must Audit Their CLAUDE.md Now
Apr 4, 2026Anthropic Expands Claude Cowork's Enterprise Reach with Customizable AI Agent Marketplace
Feb 24, 2026+ 2 more articles