In this edition: California's legislature sent SB-53—the ‘Transparency in Frontier Artificial Intelligence Act’—to Governor Newsom's desk. If signed into law, California would become the first US state to regulate catastrophic risk. Listen to the AI Safety Newsletter for free on Spotify or Apple Podcasts. A note from Corin: I’m leaving the AI Safety Newsletter soon to start law school—but if you’d like to hear more from me, I’m planning to continue to write about AI in a new personal newsletter, Conditionals. On a related note, we’re also hiring a writer for the newsletter. California's SB-53 Passes the Legislature SB-53 is the Legislature's weaker sequel to last year's vetoed SB-1047. After Governor Gavin Newsom vetoed SB-1047 last year, he convened the Joint California Policy Working Group on AI Frontier Models. The group's June report recommended transparency, incident reporting, and whistleblower protections as near-term priorities for governing AI systems. SB-53 (the [...] ---Outline:(00:49) California's SB-53 Passes the Legislature(06:33) In Other News(08:37) Discussion about this post --- First published: September 24th, 2025 Source: https://newsletter.safe.ai/p/ai-safety-newsletter-63-californias --- Want more? Check out our ML Safety Newsletter for technical safety research. Narrated by TYPE III AUDIO. ---Images from the article:Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.

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“What did the council decide on item 42?” — answered with the speaker and the moment.

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