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Goodbye low test coverage and slow QA cycles (Sponsor)

Bugs sneak out when less than 80% of user flows are tested before shipping. However, getting that kind of coverage (and staying there) is hard and pricey for any team.QA Wolf's AI-native solution provides high-volume, high-speed test coverage for web and mobile apps, reducing your organization's QA cycle to minutes. They can get you:80% automated E2E test coverage in weeks—not yearsUnlimited parallel test runs24-hour maintenance and on-demand test creationZero flakes, guaranteedThe benefit? No more manual E2E testing. No more slow QA cycles. No more bugs reaching production.With QA Wolf, Drata's team of engineers achieved 4x more test cases and 86% faster QA cycles.Schedule a demo to learn more

Jeff Bezos Creates AI Start-Up Where He Will Be Co-Chief Executive (5 minute read)

Jeff Bezos' new company, Project Prometheus, is coming out of the gates with $6.2 billion in funding and nearly 100 employees, including researchers poached from OpenAI, DeepMind, and Meta. The company is focused on AI that will help engineering and manufacturing in a number of fields. It will create systems that can learn from the physical world in more complex ways than chatbots do. Bezos will be co-chief executive - this is the first time he has taken a formal operational role in a company since stepping down as chief executive of Amazon in July 2021.

Blue Origin No Longer Just a Rocket Company as Mars ‘on Radar' (1 minute read)

Blue Origin is now a manufacturing company that can build rockets at scale. The firm's mission has grown beyond just launching payloads. To go to the Moon, the company must be able to build all of the hardware needed to get to orbit at a rate fast enough to sustain large-scale missions. Blue Origin successfully landed its New Glenn booster for the first time last week. It is looking to conduct another New Glenn launch next year.

Today, Valar Atomics became the first startup in history to split the atom (2 minute read)

Valar Atomics' Project Nova core achieved zero-power criticality for the first time yesterday morning. Zero-power criticality is a foundation milestone that precedes nuclear operation with power. The achievement will allow Valar to gain a greater understanding of the neutronic characteristics of the core and verify assumptions about fuel, moderators, active reactivity control, and burnable poisons. It marks a decisive step toward commercial-scale, factory-built nuclear reactors capable of powering heavy industry, hydrogen production, and AI-era data infrastructure with carbon-free energy.

China is one step closer to perpetual energy independence (9 minute read)

An experimental reactor built in the Gobi Desert has achieved thorium-to-uranium fuel conversion, bringing humanity one step closer to an almost endless supply of nuclear energy. Thorium is much more abundant and accessible than uranium and generates far less radioactive waste. The entire thorium-to-uranium process takes place inside the reactor core, eliminating the need for external fuel fabrication. The system, which uses molten salt, requires no water at all, allowing it to be built almost anywhere.

112 tools, $5,000 per employee: Forrester reveals the real costs of tool sprawl (Sponsor)

Large organizations spend nearly $5,000 per person annually on enterprise tools. But according to Forrester's latest research, cutting costs isn't about eliminating tools — it's about cutting friction. In this webinar with Miro, Forrester's Bobby Cameron breaks down why consolidation only focused on ROI fails and introduces the High-Performance IT framework for smarter tool consolidation decisions. Watch on-demand

Craft your Chrome Devtools Protocol (CDP) commands efficiently with the new command editor (6 minute read)

Chrome Devtools has introduced a new CDP editor that auto-completes commands, auto-populates command parameters, simplifies the typing of parameters, and improves prototyping speed. It can be used to view parameters alongside documentation. This post provides an overview of what the new CDP editor offers and how users can make the most use of it.

Towards interplanetary QUIC traffic (11 minute read)

Deep space is big, making it challenging to run a network. One of the promising ways seems to be adopting the IP protocol suite. QUIC is becoming the protocol of choice for reliable communication. This post looks at how QUIC can reliably operate in deep space and provides guidance on how to deploy it.

Human behavior is an intuition-pump for AI risk (29 minute read)

It's wise to take a pause and look around when one faces uncertainties. Taking a temporary pause on training larger AI models isn't taking a Luddite stance. Leaders at AI companies have a probability of doom as high as 25% and yet keep racing to build bigger, more powerful AI models. Instead of racing towards something we don't understand and may not be able to control, we should pause and search for answers.

Europe Begins Rethinking Its Crackdown on Big Tech (9 minute read)

The European Commission plans to unveil a 'digital package of simplification' tomorrow that will rewrite key aspects of the General Data Protection Regulation and delay parts of a law restricting certain uses of AI. The EU's tech laws have long been criticized for stifling economic growth. The digital simplification package is part of a broader deregulatory push.

Fully-managed PostgreSQL with always-on uptime, 8GB storage, and support - for just $8/mo (Sponsor)

Tired of Postgres that powers off when idle? The new Aiven Developer Tier solves that problem at $8/month. 8GB storage, 24/7 uptime, basic support, no enterprise contract required. Read the blog

Reach millions of tech professionals at scale (Sponsor)

Engage 6+ million tech professionals right here in TLDR newsletter! Learn more about advertising opportunities here.

Middlemen Are Eating the World (And That's Good, Actually) (7 minute read)

Middlemen help people connect to work on endeavors that would not otherwise be possible.

Pre-PEP: Rust for CPython (14 minute read)

Rust provides many extremely useful benefits that improve CPython development, like increasing memory safety.

How does the paideía of the Chinese tech elite differ from their counterparts in Silicon Valley? (22 minute read)

China's tech world thinks with a different literary infrastructure than Silicon Valley's lore.

All Your Coworkers Are Probabilistic Too (18 minute read)

People get things wrong, just like large language models.

'Baby Shark' Creator Pinkfong Shares Surge Up to 62% on Debut (3 minute read)

Pinkfong went public to expand into a full-fledged media studio.

How Your Brain Creates ‘Aha' Moments and Why They Stick (12 minute read)

Insight involves abrupt cognitive shifts in how the mind understands information.

Faster Releases With AI-Driven, Human-Verified Automated Testing (Sponsor)

Low test coverage leaves critical flows untested and slows your release velocity. Even with AI-assisted tools, teams can still struggle to reach high coverage and maintain tests as products evolve.QA Wolfsolves this with a hybrid model that blends AI test generation with human expertise. Their multi-agent system uses video, transcripts, DOM snapshots, browser logs, and 700+ evaluation criteria built from 50,000,000 test runs.With expert QA engineers reviewing every test, you get end-to-end coverage that's accurate, stable, and always maintained.Companies like Cohere, Drata, and AutoTrader rely on QA Wolf to keep their releases on track.Schedule a demo to learn more →

Tim Cook could step down as Apple CEO ‘as soon as next year' (2 minute read)

Apple's board and senior executives have recently intensified the company's succession planning for its CEO role. John Ternus is the most likely to take the position, but no final decisions have been made. Apple is unlikely to name a new CEO before its next earnings report in late January. The transition to a new CEO is reportedly not related to the company's current performance.

Group ChatGPT (7 minute read)

OpenAI has launched a limited test of its chat app in Japan, New Zealand, South Korea, and Taiwan. It will allow people to chat with AI and other people within the same environment. Group chats are separate from private conversations - personal ChatGPT memory will not be used in group chats, and ChatGPT will not create memories from group chat conversations. ChatGPT will automatically reduce exposure to sensitive content for everyone in the chat if any of the members is under 18.

World's oldest RNA extracted from Ice Age woolly mammoth (6 minute read)

Researchers at Stockholm University have successfully sequenced the RNA of a young woolly mammoth discovered in 2010. This allowed them to explore new information, such as which genes were active, or whether it was infected with RNA-based viruses, when it died. The ability to recover RNA gives scientists another tool to reconstruct and validate ancient genomes. It could be used to explore how gene expression differs between extinct and living species or even between individuals of the same species.

Almost Everything About NASA's Latest Mission to Mars Is Unusual (12 minute read)

NASA's ESCAPADE mission, which launched on Thursday towards Mars, will collect data to provide clues about why the planet became cold, dry, and almost airless. The mission was initially rejected when it was proposed, and then it was only approved because of a federal government shutdown in 2018. The mission was delayed several times, but the lessons learned along the way could help NASA get more bang for its buck for future missions. The trajectory the mission is pioneering allows launches to be made outside of tight launch windows.

This Thanksgiving, be grateful for never having to write tests again (Sponsor)

Ready for an actually relaxing holiday? Pass the testing to Meticulous. It observes your app and automatically build a continuously evolving suite of E2E UI tests, while you load up on stuffing. The only flakes you'll see this Thanksgiving will be falling off the crust of that sweet pumpkin pie. Book a call and make it happen.

The fate of “small” open source (6 minute read)

The era of small, low-value libraries is over. AI can output functions from these libraries, so developers no longer have to take on extra dependencies with unknown performance, maintenance, and supply-chain risks just for basic functionalities. There is still plenty of open source to write. The most value can be found in big projects, more inventive projects, or niche areas not covered in large language model training data.

Building a UI Framework (Book)

This document looks at how to create a graphical UI framework that considers developer adoption, performance, display effects, and power consumption. The most popular frameworks solve real problems. It is important to ground design in real projects with real customers, be open to new ideas, and be ready to discard inventions to go where the data leads. The most difficult part of designing a product is balancing a coherent vision with flexibility in the face of new information.

Meta is about to start grading workers on their AI skills (3 minute read)

Meta plans to tie employee performance to their 'AI-driven impact' starting next year. The company will assess employees on how they use AI to deliver results and build tools that can move the needle in a major way in regards to productivity. Meta is rolling out an 'AI Performance Assistant' to help with performance reviews and feedback to use in this year's performance review cycle. Employees can also use Meta's internal assistant, Metamate, as well as Google Gemini, for their performance content.

Grok 5 will be released in Q1 next year (18 minute read)

Elon Musk recently attended an interview where he discussed his vision for artificial intelligence, robotics, sustainable development, and the future of humanity. He revealed details about Grok 5, a 6-trillion parameter model which will be released in the first quarter of next year. Musk also talked about building a giant wafer factory within the next couple of years to create tens of billions of AI chips. This article contains excerpts from the interview.

Tool consolidation is a team sport (Sponsor)

Cutting costs may look good on the balance sheet but there's often a hidden price to pay. Learn how to do consolidation your tech stack the right way in this Forrester report (available free from Miro).

RegreSQL (GitHub Repo)

RegreSQL implements regression testing facilities for SQL queries in PostgreSQL database systems.

JP Morgan says Nvidia is gearing up to sell entire AI servers instead of just AI GPUs and components (5 minute read)

Nvidia plans to sell fully assembled Level-10 VR200 compute trays with all compute hardware, cooling systems, and interfaces pre-installed starting next year.

Programming Languages in the Age of AI Agents (6 minute read)

In the age of AI, a programming language's popularity is a feedback loop that makes it more and more popular.

Alchemy (6 minute read)

Generative AI is not capable of creating figurative 'gold' because gold is rare, and that rarity is exactly what makes it valuable.

Friction Was the Feature (12 minute read)

We need to redesign systems so AI boosts signal instead of burying it.

Numbers Everyone Should Know (1 minute read)

A list of numbers in computing and networking that developers should know.

Stability or and innovation in payments technology (Sponsor)

Why pick one?With Marqeta, launch payments experiences without choosing between innovation and scale.Marqeta combines the scale and reliability of proven payments infrastructure with the flexibility and innovation of a modern platform—so you can move faster, reduce risk, and grow with confidence.From optimizing spend and cash flow to building seamless, rewards-driven customer experiences, Marqeta's solutions have you covered. When it comes to issuing and processing payments, don't sacrifice. Choose a payments provider who delivers more. See what's possible with Marqeta >Learn more >

Blue Origin Lands Booster After Rocket Launch and Matches SpaceX's Feat (7 minute read)

Blue Origin nailed the landing of its New Glenn rocket booster yesterday. It is the second company to successfully accomplish the feat. New Glenn's two successful launches in a row could win it a sizable slice of the business of sending stuff to space. The New Glenn booster is considerably bigger and heavier than SpaceX's Falcon 9 booster.

Apple Aims to Capitalize on Mini App Trend With New Program (4 minute read)

Apple's new Mini Apps Partner program gives Apple a 15% cut of in-app purchases for mini apps and games within larger 'super apps'. Mini app creators have been using loopholes to avoid Apple's in-app payments framework. The new program should help lock those software creators into Apple's preferred approach and guarantee more revenue for the company. Mini apps or games must be released by a party not directly or indirectly controlled by the developer of the dominant app to qualify for the new program.

Android Dreams (43 minute read)

Trying to predict the future is an excellent feedback mechanism for developing a world model in areas you care about. You can review your predictions to see what you got wrong and why. This site presents a timeline for AI development that predicts that a continuously improving AI that learns from interactions in the real world, with the potential to become more expert at most tasks than even humans with 40 years of experience, won't be developed until after 2045. Winning robotics is a national security issue - technology that gives its owner access to users and resources at scale is a threat. There will be a diversity of robot form factors in the future.

Biohub for Non-Biologists: Behind Priscilla Chan and Mark Zuckerberg's plan to cure all diseases (68 minute read)

The Chan Zuckerberg Initiative's Biohub has a billion dollars a year to make several long-horizon bets on basic science. Its aim is to change our understanding of immunological science and open up the door to engineering human health, simulating immune therapies, reprogramming dysfunctional cells, and preventing diseases before they arise. It has opened up three models on its virtual cells platform: VariantFormer, a model that directly translates personal genetic variations into tissue-specific gene activity patterns; CryoLens, a large-scale model for cryoET that provides unsupervised structural similarity analysis; and scLDM, a model that can generate realistic single-cell data in silico at unprecedented fidelity. A transcript of an interview with Mark Zuckerberg and Priscilla Chan, where they discuss the Biohub secret master plan, is available in the article.

The 5-Step Playbook for Finding AI's Value (Sponsor)

We love this practical guide from You.com that walks through a proven framework to identify, prioritize, and document high-value AI opportunities. Explore where AI can drive the most impact in your organization, both internally and externally. Learn more with this AI Use Case Discovery Guide.

Generative UI SDK for Flutter (GitHub Repo)

GenUI (Generative UI SDK for Flutter) is a Flutter library that lets developers easily add interactive generative UI to their applications. It is designed to help developers replace static walls of text from large language models with dynamic and interactive graphical UIs. It can turn conversations and agent interactions into rich, intuitive experiences. State changes in the UI are fed back to the agent, creating a high-bandwidth interaction loop.

Introducing GPT-5.1 for developers (11 minute read)

OpenAI has released GPT-5.1 on its API platform. The model can dynamically adapt how much time it spends thinking based on the complexity of tasks, making it significantly faster and more token-efficient on simpler everyday tasks. It features a 'no reasoning' mode to respond faster on tasks that don't require deep thinking. OpenAI has extended prompt caching for up to 24 hours to drive faster responses for follow-up questions at a lower cost. Priority Processing customers will experience notably faster performance with GPT-5.1 over GPT-5.

Tesla AI department told to prepare for ‘hardest year' of their lives (3 minute read)

The Tesla engineers behind Autopilot, robotaxis, and the Optimus robot have been told to brace for the 'hardest year of their lives' in 2026. The company aims next year to turn a decade of autonomy promises into something commercial, scalable, and visible to investors. Tesla's next era is tied to two products that are nowhere near mass deployment. Elon Musk has previously claimed that Tesla's Optimus robot could become the largest product in history.

The advice I would give on a mentorship call (8 minute read)

The most helpful mentors are usually folks who are only a few years ahead of you. A person who is a decade ahead may be in an objectively more impressive place, but someone nearer to your stage will have experienced an environment that is much closer to your own. This post contains advice for college freshmen seeking mentorship on managing their time and looking for their first job.

Craving more AI in your inbox? (Sponsor)

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Atlassian named a Leader in Gartner's 2025 Magic Quadrant for Collaborative Work Management (Sponsor)

Discover how Atlassian's Teamwork Collection is helping teams connect work, knowledge, and goals in one intelligent platform. Read the full story to see what this means for teams everywhere.

How To Build A Smartwatch: Software - Setting Expectations & Roadmap (25 minute read)

A look at what it took to bring the Pebble 2 Duo to production and what is coming next at Pebble Tech Co.

After years of saying no, Tesla reportedly adding Apple CarPlay to its cars (2 minute read)

Elon Musk hasn't previously opined on the omission of CarPlay from Tesla's vehicles, but he has frequently criticized Apple.

Why agents DO NOT write most of our code - a reality check (11 minute read)

AI agents aren't there yet, and more people are starting to admit it.