SITUATION EXPLAINED: OpenAI paused frontier training for the first time. • Training on Astra was paused for a little more than two weeks, and the largest planned frontier run is still on hold • @sama: "We have paused some frontier RL training... We believe the entire field will have to coordinate on shared safety standards but will act unilaterally in the meantime" • Astra may reach the critical cybersecurity threshold in the preparedness framework, which requires safeguards during…