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June 29, 2026

US-Iran peace deal unravels after 10 days as Gulf hostilities resume

Also: White House blocks OpenAI's GPT-5.6 release, establishing de facto US AI licensing regime‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

X-Risk Daily

Monday 29 June 2026

Geopolitics & Conflict
US-Iran peace deal unravels after 10 days as Gulf hostilities resume
On 17 June, President Donald Trump and Iranian President Masoud Pezeshkian signed the Islamabad Memorandum of Understanding, a framework agreement brokered primarily by Pakistan, with Qatar, Saudi Arabia, Turkey and Egypt also facilitating negotiations.

Also in this issue

Transformative AI
White House blocks OpenAI's GPT-5.6 release, establishing de facto US AI licensing regime
Biosecurity
Email contradicts RFK Jr Senate testimony on 2019 Samoa vaccine mission
Geopolitics & Conflict
US and Iran exchange strikes in escalation threatening fragile ceasefire
Transformative AI
Anthropic launches Claude Tag, persistent AI agent that embeds in organisational workflows
Research
Open-source language models fail to distinguish injected concepts from generic activation noise, undermining introspection claims
Research
New MirrorCode benchmark shows AI can complete real-world software projects taking humans weeks, with Claude Opus 4.7 achieving 56% success rate

… and 29 more in the full briefing

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