Claude Code v2.1.185โ193 (Week 26, June 22โ26): prefix any command with ! for instant AI analysis of the output, rewind past /clear for the first time, and authenticate MCP servers directly from the CLI.
Notion AI June 2026 updates: custom agents can now read and reply in private Slack channels, a new Settings tab connects your calendar and inbox, and admins can set per-agent credit limits. The agent hub vision is taking shape.
In June 2026, Claude Code shipped nested sub-agents, the /cd command, safe-mode, fallback models, and doubled rate limits. The era of agents spawning their own agents has arrived.
June 2026 brought another wave of transformative updates across the AI tool landscape. NotebookLM evolved from a manual source management tool into an agentic research workstation that finds sources on your behalf. Claude Code unlocked hierarchical sub-agent spawning for parallel autonomous coding. And Gemini 3.5 Flash rolled out powerful education-focused updates to reshape how teachers work. Here is what actually matters.
June's AI keyword is the maturation of agents. NotebookLM evolved into a research partner that executes code and finds its own sources. Claude Code now supports a five-level hierarchy where agents spawn agents. Gemini Omni opened a new creative paradigm: video built through conversation.