TLDR Index
TLDR

TLDR 2025-12-12

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01GENERAL

02BIG TECH & STARTUPS

OPENAI RELEASES GPT-5.2 AFTER “CODE RED” GOOGLE THREAT ALERT

GPT-5.2 has been released in three variants: Instant, Thinking, and Pro. 5.2 is designed to unlock more economic value for people. It features a 400,000-token context window and a knowledge cutoff date of August 31. GPT-5.1 will remain available in ChatGPT for paid users for three months. GPT-5.2 is OpenAI's third major model release since August.

arstechnica.com6 min read

GOOGLE ANNOUNCES EXPERIMENTAL ‘DISCO' BROWSER WITH ‘GENTABS' POWERED BY GEMINI 3

Google Labs' Disco browser features a Gemini 3-powered 'GenTab' that can build interactive web applications to help users complete tasks. It can look at open tabs and chat history to determine what tool best serves a prompt. Every generative element ties back to the web and will link to the original sources. The most compelling ideas from Disco may one day make their way into Chrome. A link to the waitlist to try Disco is available in the article.

9to5google.com2 min read

03SCIENCE & FUTURISTIC TECHNOLOGY

RIVIAN ANNOUNCES NEW AI TECH, CHIP, AND ROBOTAXI AMBITIONS

Rivian has developed a custom chip, a car computer, and new artificial intelligence models to bring autonomous features to its vehicles. The company plans to roll out a subscription in early 2026 that will provide continuously expanding capabilities powered by Rivian Autonomy Processors and autonomy computers. A near-future update will include a 'Universal Hands-Free' capability that will enable Rivian customers to drive hands-free on more than 3.5 million miles of roads in North America.

cnbc.com8 min read

AI HACKERS ARE COMING DANGEROUSLY CLOSE TO BEATING HUMANS

AI hacking tools are now surpassing some human hackers. Stanford's Artemis AI bot beat all except one of the 10 professional penetration testers in a test of its abilities. It found bugs at lightning speed while running at under $60 an hour. However, about 18% of the bugs it found were false positives. It also missed an obvious bug that most of the human testers spotted.

links.tldrnewsletter.com8 min read

04PROGRAMMING, DESIGN & DATA SCIENCE

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COMPOUND ENGINEERING: HOW EVERY CODES WITH AGENTS

In traditional engineering, each feature makes the next feature harder to build because of new edge cases, interdependencies, and issues. In compound engineering, each feature makes the next feature easier to build because compound engineering creates a learning loop for agents and team members so that each bug, failed test, or insight gets documented and used by future agents. AI's knowledge of the codebase grows along with it, making future development work faster. This post provides a high-level sense of how to start compound engineering with AI.

every.to13 min read

AN SVG IS ALL YOU NEED

SVGs are vector graphics in a simple XML format. They are supported on almost every device and platform. With embeddable scripts to make them interactive, SVGs are way more capable than many people realize. It is entirely feasible to implement an entire data analysis pipeline in an SVG. A completely self-contained SVG file can fetch data from a versioned repository, process that data, and generate visualizations without any server-side magic required.

jon.recoil.org4 min read

05MISCELLANEOUS

SOCIAL-MEDIA BAN IMPOSES BRAVE NEW WORLD ON AUSTRALIAN TEENS

Several social media platforms are now required to shut down the accounts of teens under 16 in Australia under a new law intended to shelter children from the mental-health risks of life online. These companies are now required to take reasonable steps to enforce the new rules under threat of penalty. Parents and children won't be fined. Australia isn't alone in its effort - Malaysia, the EU, New Zealand, Florida, and other regions are also discussing similar restrictions.

links.tldrnewsletter.com8 min read

DISNEY TO INVEST $1 BILLION IN OPENAI AND LICENSE CHARACTERS FOR USE IN CHATGPT, SORA

Disney is investing $1 billion into OpenAI. The three-year licensing deal will allow OpenAI's users to generate videos with Disney's characters and properties in them. The agreement includes provisions that limit what Disney characters can do in generated videos. The partnership is the result of nearly two years of talks between the two companies.

links.tldrnewsletter.com7 min read