TLDR

TLDR 2025-11-05

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01GENERAL

Sponsored

GOODBYE LOW TEST COVERAGE AND SLOW QA CYCLES

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.

qawolf.comSponsor

02BIG TECH & STARTUPS

APPLE PREPARES TO ENTER LOW-COST LAPTOP MARKET FOR FIRST TIME

Apple is developing an entry-level budget Mac designed for students, businesses, and casual users. The low-cost laptop is currently in active testing at Apple and in early production with overseas suppliers. It will be priced well under $1,000. Apple plans to launch it in the first half of next year. The move is a strategic shift for Apple, which has previously vowed not to chase market share with lower-end offerings.

links.tldrnewsletter.com5 min read

TESLA IS OBSESSED WITH MUSK'S PAY PACKAGE. MUSK IS OBSESSED WITH AI

Elon Musk spent most of his time at xAI after he left DOGE in May, even holding meetings for Tesla employees at xAI's offices. Musk has balanced his responsibilities between several fast-growing companies for years, but the potential of AI has led him to spend much more of his time at xAI. Tesla will soon announce preliminary results on a giant pay package designed to ensure that Musk focuses on Tesla for years to come. The package would increase his stake in Tesla over a decade from 15% to around 25% if he hits ambitious goals.

links.tldrnewsletter.com14 min read

03SCIENCE & FUTURISTIC TECHNOLOGY

MEET PROJECT SUNCATCHER, GOOGLE'S PLAN TO PUT AI DATA CENTERS IN SPACE

The cost of electricity on Earth is a problem for large data centers. Google plans to put data centers in space in a dawn-dusk sun-synchronous low-earth orbit to ensure they get almost constant sunlight exposure. It will require solar panels that are up to eight times more efficient to get the job done. The project will only be successful if Google's TPUs can run for at least five years. Google plans to launch a pair of prototype satellites by early 2027.

arstechnica.com5 min read

AMAZON EQUIPS NEXT UNDERWATER CABLE WITH 'ROBUST ARMORING' TO PREVENT CUTS

Amazon is currently laying a new subsea cable across the ocean floor that will connect the US and Europe. It should be up and running in 2028. Dubbed Fastnet, the state-of-the-art fiber-optic cable system will be able to transport over 320 terabits per second. Amazon is investing heavily in the burial process to prevent Fastnet from being cut or damaged.

links.tldrnewsletter.com4 min read

04PROGRAMMING, DESIGN & DATA SCIENCE

Sponsored

RUN OPEN MODELS AT PRODUCTION SCALE

Meet NEBIUS TOKEN FACTORY,the enterprise platform for running open-source models in production. Deploy Qwen, GPT OSS, Kimi, DeepSeek, Llama, and much more on dedicated endpoints with 99.9% uptime, zero data retention, and cost-efficient autoscaling. Optimize, fine-tune, and serve faster than ever.

tokenfactory.nebius.comSponsor

PG_LAKE

pg_lake integrates Iceberg and data lake files into Postgres, transforming Postgres into a stand-alone lakehouse system that supports transactions and fast queries on Iceberg tables. It can create and modify Iceberg tables directly from PostgreSQL, and directly work with raw data files in object stores like S3. pg_lake can be set up using Docker for an easy, ready-to-run test environment.

github.comGitHub repository

HIGH-PERFORMANCE SYNTAX HIGHLIGHTING WITH CSS HIGHLIGHTS API

The CSS Custom Highlight API lets developers style arbitrary text ranges without modifying the DOM structure. Developers just have to define 'Range' objects that point to a specific character position in text nodes, group them by style type, and register them with the browser's highlight registry. The API is supported in all modern browsers. This post provides an example implementation of syntax highlighting using the CSS Highlights API.

pavi2410.com8 min read

05MISCELLANEOUS

WHY AC IS CHEAP, BUT AC REPAIR IS A LUXURY

Huge bursts of productivity concentrated in one industry are great because they create a huge number of new jobs and new opportunities, but this has an interesting spillover effect: the more jobs and opportunities created by the productivity boom, the more wages increase in other industries. These industries still have to compete in the same labor market. As the AI supercycle plays out, some goods and services will become orders of magnitude cheaper, while others will become more expensive - but we'll consume more of them anyway. This effect will even be seen within a single job - some work will see 10x throughput at 10x the quality, while other work, which must be done by humans, will command a wildly high wage.

a16z.substack.com18 min read

HOW I USE AI

AI has transformed how some developers work. We are just starting to see what the technology can achieve. We still haven't fully explored what current models can do. There are some concerning possibilities with the future of the technology, but for now, it is still in its 'wondrous' stage.

ben.stolovitz.com15 min read