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Oct 21, 2026
Inside ChatGPT’s ad stack: an LLM orchestrates retrieval, ranking and auctions
OpenAI says ChatGPT Ads uses a stateful session and a post-trained model that calls retrieval, eligibility, scoring and auction tools. Ad selection runs in a separate service from answer generation, so developers can study a concrete production pattern while keeping the company’s privacy and performance claims distinct from independent evidence.
Oct 14, 2026
GitHub’s star-history API replaces identity-heavy pagination with weekly aggregates
GitHub’s new repository star-history endpoint returns weekly and daily aggregate counts, reducing large histories from thousands of identity-bearing requests to a small trend dataset.
Oct 9, 2026
Apple Watch Audio Intelligence: What Leaves Your Wrist and What Gets Saved
Apple’s Live Rewind and Siri Recap use different routes through Apple Watch, a paired iPhone and Private Cloud Compute. Here is what gets processed, when nearby people are alerted and which text can persist.