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The Origin Story of Merge Queues

From Bors and Homu to Bulldozer, Kodiak, Mergify, and now GitHub and GitLab, merge queues have shaped how we keep main branches green. This article traces their history, why they emerged, and how they became a standard in modern software development. If you use GitHub or GitLab today, merge queues feel like a built-in feature of modern development. But their story goes back over a decade, long before "merge queue" was a product term. It started with a simple problem: How do you keep your main

Eufy’s video doorbell smart lock combo is back to its all-time low price

A smart lock and video doorbell are great tools for beefing up your home’s security system, and Eufy’s FamiLock S3 Max combines the functionality of both into one device. It’s currently $339.99 ($60 off) at Amazon, The Home Depot, and from Eufy, which matches its all-time low price. Verge senior reviewer Jennifer Pattison Tuohy recently tested the FamiLock S3 Max, and found a lot to like. She was especially impressed with its built-in 4-inch video screen, which displays a live video feed of what

Topics: eufy max price s3 video

This Is the First Time Scientists Have Seen Decisionmaking in a Brain

Neuroscientists from around the world have worked in parallel to map, for the first time, the entire brain activity of mice while they were making decisions. This achievement involved using electrodes inserted inside the brain to simultaneously record the activity of more than half a million neurons distributed across 95 percent of the rodents’ brain volume. Thanks to the image obtained, the researchers were able to confirm an already theorized architecture of thought: that there is no single r

This is the new AirPods lineup following AirPods Pro 3 launch

Apple launched its long-awaited AirPods Pro 3 today, and has made some changes to its overall AirPods product lineup as a result. Here’s the new AirPods lineup. AirPods Pro 3 is the latest addition to AirPods product lineup Today during Apple’s ‘Awe dropping’ event, the company launched the next generation of AirPods Pro. AirPods Pro 3 are now available to pre-order from the online Apple Store, and they will ship at the end of next week on September 19. Here’s what the new AirPods lineup loo

I solved a distributed queue problem after 15 years

When I was responsible for the infrastructure at Reddit, the most important thing I maintained was Postgres, but a close second was RabbitMQ, our message broker. It was essential to the operation of reddit — everything went into a distributed queue before it went to a database. For example, if you upvoted a post, that was written to the queue and the cache, and then returned success to the user. Then a queue runner would take that item, and attempt to write it to the database as well as create a

Majority in EU's biggest states believes bloc 'sold out' in US tariff deal

A majority of people across the EU’s five biggest member states believe the European Commission sold citizens out when negotiating a “humiliating” tariff deal with Donald Trump that “benefits the US” far more than Europe, a survey has shown. The poll, by Cluster17 for the European affairs debate platform Le Grand Continent, found 77% of respondents – ranging from 89% in France to 50% in Poland – thought the deal would benefit above all the US economy, with only 2% believing it would benefit Eur

Topics: deal der eu said trump

Chinese auto giant GAC targets 17-fold boost to European sales by 2027

The Aion V is one of the cars GAC is launching in Europe as it looks to expand its presence in the region. The Aion V is on display at the company's stand at the IAA Mobility auto show in Munich, Germany on September 9, 2025. Guangzhou Automobile Group (GAC) aims to increase its European electric car sales 17-fold over the next two years, becoming the latest Chinese player to take on the region's traditional automakers through aggressive expansion. The entrance of the Chinese state-owned carma

AI firm Mistral valued at $14 billion as chip giant ASML takes major stake

Nvidia -backed Mistral AI clinched a 11.7 billion-euro ($13.8 billion) valuation in a in a Series C funding round that saw Dutch chip equipment maker ASML secure a major stake in the French firm. ASML pumped 1.3 billion euros in Mistral AI's 1.7 billion-euro funding round as lead investor, gaining a 11% shareholding in the French company on a fully diluted basis. Other participants in the round included existing investors Nvidia, DST Global, Andreessen Horowitz, Bpifrance, General Catalyst, In

How the Slavic Migration Reshaped Central and Eastern Europe

How the Slavic migration reshaped Central and Eastern Europe Genetic analyses of medieval human remains reveal large-scale migrations, regional diversity, and new insights into early medieval communities Excavation in 2020 at the pre-Slavic cemetery of Brücken, Mansfeld-Südharz District (Saxony-Anhalt). © Landesamt für Denkmalpflege und Archäologie Sachsen-Anhalt Excavation in 2020 at the pre-Slavic cemetery of Brücken, Mansfeld-Südharz District (Saxony-Anhalt). © Landesamt für Denkmalpflege u

The race to build a distributed GPU runtime

For a decade, GPUs have delivered breathtaking data processing speedups. However, data is growing far beyond the capacity of a single GPU server. When your work drifts beyond GPU local memory or VRAM (e.g., HBM and GDDR), hidden costs of inefficiencies show up: spilling to host, shuffling over networks, and idling accelerators. Before jumping straight into the latest distributed computing effort underway at NVIDIA and AMD, let’s quickly level set on what distributed computing is, how it works, a

I witnessed Eufy's stair-climbing robot at IFA 2025 - and it's likely the next big thing for vacuums

Maria Diaz/ZDNET Follow ZDNET: Add us as a preferred source on Google. From pet robots to way more robot mowers than the world needs, IFA features some of the coolest tech we'll see all year. Companies use the event to showcase new products and the latest innovations they're working on, and Anker delivered some exciting updates. Also: The coolest gadgets I've seen at IFA 2025 (including ones you can actually buy) Marswalker: A stair-climbing robot Maria Diaz/ZDNET Part of the appeal of e

I got to see Eufy's stair climbing robot at IFA (and more new Anker products)

Maria Diaz/ZDNET Follow ZDNET: Add us as a preferred source on Google. From pet robots to way more robot mowers than the world needs, IFA features some of the coolest tech we'll see all year. Companies use the event to showcase new products and the latest innovations they're working on, and Anker delivered some exciting updates. Also: The coolest gadgets I've seen at IFA 2025 (including ones you can actually buy) Marswalker: A stair-climbing robot Maria Diaz/ZDNET Part of the appeal of e

EU Fines Google $3.45B for Giving Its Ad Tech Preferential Treatment

Google faces a $3.45 billion fine from the European Union for engaging in anticompetitive advertising technology practices, the European Commission said Friday. The fine stems from a complaint by the European Publishers Council alleging Google gave preference to its own online ad display services, hurting competitors and online publishers. The European Commission wants Google to stop these self-preferential practices and to cease its conflicts of interest. The Commission says it'll give Google,

Ignoring Trump threats, Europe hits Google with 2.95B euro fine for adtech monopoly

Google may have escaped the most serious consequences in its most recent antitrust fight with the US Department of Justice (DOJ), but the European Union is still gunning for the search giant. After a brief delay, the European Commission has announced a substantial 2.95 billion euro ($3.45 billion) fine relating to Google's anti-competitive advertising practices. This is not Google's first big fine in the EU, and it probably won't be the last, but it's the first time European leaders could face b

Google hit with $3.45 billion antitrust EU fine amid U.S. trade tensions

Google was on Friday hit with a 2.95-billion-euro ($3.45 billion) antitrust fine from European Union regulators for anti-competitive practices in its lucrative advertising technology business. The European Commission, which is the executive body of the EU, accused Google of distorting competition in the so-called adtech market by unfairly favoring its own display advertising technology services to the detriment of rival adtech providers, advertisers and online publishers. It also ordered Googl

Anker is upgrading its global ambitions—with AI and a stair-climbing robovac system

You probably associate Anker with portable charging banks that keep your devices topped up with juice through the course of a day (or week), but the company has much bigger ambitions—as we’re going to see at IFA 2025 in Berlin. Anker Innovations, to give it its full name, incorporates not just Anker products (now the number one mobile charging brand in the world) but also the eufy smart home range and the Soundcore series of earbuds, headphones, and speakers. It’s an impressive line-up, and it’

Topics: 2025 ai anker eufy ifa

Reolink continues innovating with two new major product launches at IFA 2025

IFA 2025 is one of the biggest tech expos of the year, held annually in Berlin, and security camera specialist Reolink is using the opportunity to introduce two new innovative products to its range: the Reolink TrackFlex Floodlight WiFi Camera, and ReoNeura, a new AI-powered technology designed to improve user safety and security. Both these products fit in with Reolink’s stated mission, to raise the bar for the affordable surveillance cameras you can get for your home, and to continually impro

SAP splashes €20B on Euro sovereign cloud push

SAP says it will pump €20 billion into expanding sovereign cloud infrastructure in Europe over the next ten years, pitching itself as a secure and compliant alternative to American cloud giants. The Germany-based enterprise software biz is looking to provide sovereign infrastructure for the public sector and regulated environments, said Thomas Saueressig, board member for customer services and delivery. Microsoft admits it 'cannot guarantee' data sovereignty READ MORE "With our expanded SAP S

BMW debuts 6th-generation EV powertrain in the all-electric iX3

BMW provided flights from Washington, DC, to Munich and accommodation so Ars could be briefed on the iX3. Ars does not accept paid editorial content. BMW has an all-electric replacement for its X3 crossover on the way. When it arrives in mid-2026, it will have the lowest carbon footprint of any BMW yet, thanks to an obsessive approach to sustainability during the design process. But we knew that already; what we couldn't tell you then, but can now, is everything else we know about the first of

Topics: bmw ix3 klasse neue new

Who Owns ‘Telepathy’?

Elon Musk’s neural implant startup Neuralink has been trying to trademark two product names: Telepathy and Telekinesis. Musk has previously claimed that his company will be able to give people “superpowers,” so the desire to take ownership over these special abilities makes sense. Unfortunately for Neuralink, patent applications for Telepathy and Telekinesis have already been filed by a different business. Wired reports that a lucid dreaming startup (who knew there was such a thing?) called Pro

Eufy Just Launched an Autonomous Shell That Carries Robot Vacuums Up Stairs

Stairs are the enemy of robot vacuums. There isn’t currently a single robot vacuum on the market that can climb a flight of stairs without human assistance. Even the best robot vacuums we recommend for their ability to cross obstacles, like the Dreame X50 Ultra and Roborock Saros Z70, can only handle thresholds between two and three inches. Eufy’s Marswalker may be the first robot vacuum to truly be able to tackle this problem. It’s a robot vacuum that looks a bit like a wheeled Mars rover with

Hollow Knight: Silksong causes server chaos on Xbox, Steam, and Nintendo

A little game by the name of Hollow Knight: Silksong just released, and it has thrown platforms into chaos. As you can see from images captured by the Eurogamer team, the likes of Steam was brought to a grinding halt as many flocked to get their hands on the highly-anticipated sequel. Meanwhile, several of us have been unable to add the game to our carts across Xbox, PlayStation and Switch. The PS store, for example, is stuck on Wishlisted at the time of writing. In the words of our Connor: "

Neuralink’s Bid to Trademark ‘Telepathy’ and ‘Telekinesis’ Faces Legal Issues

The United States Patent and Trademark Office has rejected Neuralink’s attempt to trademark the product names Telepathy and Telekinesis, citing pending applications by another person for the same trademarks. Neuralink, the brain implant company co-founded by Elon Musk, filed to trademark the names in March. But in letters sent to Neuralink in August, the trademark office is refusing to allow the applications to move forward. It says Wesley Berry, a computer scientist and co-founder of tech star

1,000-Year-Old Viking Object Reveals How They Likely Styled Their Hair

Hair parted in the middle, cropped at the back, with a wavy lock styled above one ear. That’s not my haircut of choice, but if you were an elite Viking, it may well have been. That’s the upshot of a study published last month in the journal Medieval Archaeology in which researchers re-examined a roughly one-inch-tall (three centimeters) Viking gaming piece that dates back more than 1,000 years. It was originally discovered among the burial things of a presumed Viking warrior in Norway in 1797 a

Eufy’s Got a Little Stair-Climbing Mech Suit for Its Robot Vacuums

Robot vacuums that can climb stairs are now officially a thing if IFA 2025 is any indication. At the Berlin tech show, Eufy announced the MarsWalker, a dang stair-climbing mech suit that your robot vacuum can wear. And Eufy plans to release it in the spring of next year, with pricing to be announced later. Robot vacuum owners have been waiting years for a couple of things: a robot that actually does what you want with no compromises (we’re not there yet) and the ability for them to actually get

Eufy's latest security camera has three lenses and a detachable solar panel

Eufy just introduced its latest outdoor security camera at IFA in Germany. The EufyCam S4 monitors your home using a fixed 4K wide-angle camera and a pair of 2K sensors that activate when a possible intruder is spotted and track them. Capable of auto-framing its subject, the main camera can pan, tilt and zoom in on a person as far as 164 feet away. It can also intelligently zoom out to ensure groups are kept in view. The EufyCam S4’s stationary bullet camera has a 130-degree field of view, whil

Hollow Knight: Silksong Causes Server Chaos on Xbox, Steam, and Nintendo

A little game by the name of Hollow Knight: Silksong just released, and it has thrown platforms into chaos. As you can see from images captured by the Eurogamer team, the likes of Steam was brought to a grinding halt as many flocked to get their hands on the highly-anticipated sequel. Meanwhile, several of us have been unable to add the game to our carts across Xbox, PlayStation and Switch. The PS store, for example, is stuck on Wishlisted at the time of writing. In the words of our Connor: "

Philips introduces budget-friendly Hue bulbs as part of major lineup overhaul

We've been covering Philips' lineup of color-changing, Wi-Fi connected Hue lights since their earliest days, and their early success means they became integrated into many smart home setups just as smart thermostats, doorbells, smoke alarms, and speakers were really going mainstream. For anyone embedded in the Hue ecosystem—or anyone who has stayed out because of the accessories' relatively high prices—today's large-scale overhaul of the lineup may be of interest. Philips and parent company Sig

Topics: bulb bulbs hue lineup new

Your yard has never felt more secure than with the eufyCam S4 and its intruder tracking

eufy TL;DR The eufyCam S4 and its combo PTZ/wide-angle triple cameras can both identify distant motion and track it close-up. If you want smart AI camera analysis but are concerned about privacy, the eufy AI Core offers a powerful local solution. With radar motion detection, eufy’s new outdoor RGB rope lights add both security and a dash of color to your yard. Keeping an eye your property when you’re away from home can go a long way towards making us feel more secure, but succeeding at that

Topics: ai camera eufy home s4

Robot vacuums are conquering their final frontier with the eufy MarsWalker: Stairs

eufy TL;DR eufy’s Omni S2 brings full-sized power to robot vacuums with 30k Pa suction and 15 N water jets. The optional MarsWalker platform enables the S2 to navigate up and down flights of stairs. US sales of both units are on track to get started in 2026. Robot vacuum cleaners have spent the past twenty years transforming the way millions of us keep our living spaces neat and clean, and they’ve been getting more useful and versatile this entire time. From automatic room mapping, to moppin