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What is jj and why should I care?
🤔 "Unlocking Version Control: What is jj and Why Should You Care?"
jj is a powerful version control system that offers a fresh perspective on managing code changes, providing a more efficient and intuitive way to track and collaborate on projects. By leveraging jj, developers can streamline their workflow, simplify complex branching and merging, and enhance overall productivity.
2:05 pm, April 14, 2026
guid
https://news.ycombinator.com/item?id=47763759
source_url
https://steveklabnik.github.io/jujutsu-tutorial/introduction/what-is-jj-and-why-should-i-care.html
author_name
tigerlily
id: 1812
uid: AQnJM
insdate: 2026-04-14 14:05:23
title: What is jj and why should I care?
additional: 🤔 "Unlocking Version Control: What is jj and Why Should You Care?"
jj is a powerful version control system that offers a fresh perspective on managing code changes, providing a more efficient and intuitive way to track and collaborate on projects. By leveraging jj, developers can streamline their workflow, simplify complex branching and merging, and enhance overall productivity.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=47763759
source_url: https://steveklabnik.github.io/jujutsu-tutorial/introduction/what-is-jj-and-why-should-i-care.html
updated:
image:
author_name: tigerlily
author_link:
uid: AQnJM
insdate: 2026-04-14 14:05:23
title: What is jj and why should I care?
additional: 🤔 "Unlocking Version Control: What is jj and Why Should You Care?"
jj is a powerful version control system that offers a fresh perspective on managing code changes, providing a more efficient and intuitive way to track and collaborate on projects. By leveraging jj, developers can streamline their workflow, simplify complex branching and merging, and enhance overall productivity.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=47763759
source_url: https://steveklabnik.github.io/jujutsu-tutorial/introduction/what-is-jj-and-why-should-i-care.html
updated:
image:
author_name: tigerlily
author_link:
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- Flock employees caught watching kids gymnastic class and pools
- Folk are getting dangerously attached to AI that always tells them they're right
- Following 35% growth, solar has passed hydro on US grid
- Fontcrafter: Turn Your Handwriting into a Real Font
- Footage shows US citizen shot dead by ICE agent in Texas traffic stop
- Forget Flags and Scripts: Just Rename the File
- Founder of GitLab battles cancer by founding companies
- FrameBook
- France Launches Government Linux Desktop Plan as Windows Exit Begins
- France pulls last gold held in US for $15B gain
- France's government is ditching Windows for Linux, says US tech a strategic risk
- Free, fast diagnostic tools for DNS, email authentication, and network security
- FreeBSD 14.4-Release Announcement
- FreeCAD v1.1
- Friendica – A Decentralized Social Network
- From 0% to 36% on Day 1 of ARC-AGI-3
- From birds to brains: My path to the fusiform face area (2024)
- Fuck the cloud (2009)
- Full Disclosure: A Third (and Fourth) Azure Sign-In Log Bypass Found
- Full network of clitoral nerves mapped out for first time
- Fungal Electronics (2021)
- Further human + AI + proof assistant work on Knuth's "Claude Cycles" problem
- Fyn: An uv fork with new features, bug fixes, stripped telemetry
- GLM-5.1: Towards Long-Horizon Tasks
- GLiNER2: Unified Schema-Based Information Extraction
- GNU Texmacs
- GPL upgrades via section 14 proxy delegation
- GPT 5.4 Thinking and Pro
- GPT-5.4 Thinking System Card
- GPT-5.4 Thinking and GPT-5.4 Pro
- GPT‑5.3 Instant
- GPT‑5.4 Mini and Nano
- Game about Data of America
- Games with loot boxes to get minimum 16 age rating across Europe
- Gas Town: From Clown Show to v1.0
- Gemma 4 on iPhone
- Generating All 32-Bit Primes (Part I)
- Generative AI Use and Depressive Symptoms Among US Adults
- George Goble died recently – known for first dual-CPU-Unix and fast BBQ lighting
- George Goble has died
- George Orwell Predicted the Rise of "AI Slop" in Nineteen Eighty-Four
- German Dog Commands
- German men 18-45 need military permit for extended stays abroad
- Germany suspends military approval for long stays abroad for men under 45
- Get Shit Done: A Meta-Prompting, Context Engineering and Spec-Driven Dev System
- Get free Claude max 20x for open-source maintainers
- Getting Started in Common Lisp
- Ghostling
- Ghostmd: Ghostty but for Markdown Notes
- Ghostmoon.app – The Swiss Army Knife for your macOS menu bar
- Ghostty – Terminal Emulator
- Git commands I run before reading any code
- GitHub Monaspace Case Study
- GitHub Stacked PRs
- GitHub appears to be struggling with measly three nines availability
- GitHub backs down, kills Copilot pull-request ads after backlash
- GitHub is once again down
- GitHub's Historic Uptime
- Go hard on agents, not on your filesystem
- Go is the best language for agents
- Go on Embedded Systems and WebAssembly
- GoGoGrandparent (YC S16) is hiring Back end Engineers
- God Sleeps in the Minerals
- Gold overtakes U.S. Treasuries as the largest foreign reserve asset
- Good code will still win
- Goodbye InnerHTML, Hello SetHTML: Stronger XSS Protection in Firefox 148
- Goodbye to Sora
- Google API Keys Weren't Secrets. But Then Gemini Changed the Rules
- Google API keys weren't secrets, but then Gemini changed the rules
- Google Broke Its Promise to Me. Now ICE Has My Data
- Google Engineers Launch "Sashiko" for Agentic AI Code Review of the Linux Kernel
- Google Street View in 2026
- Google Workers Seek 'Red Lines' on Military A.I., Echoing Anthropic
- Google Workspace CLI
- Google adds 24-hour wait and mandatory reboot to Android sideloading flow
- Google just gave Android power users a sideloading win
- Google just gave Sundar Pichai a $692M pay package
- Google removes "Doki Doki Literature Club" from Google Play
- Google's 200M-parameter time-series foundation model with 16k context
- Government agencies buy commercial data about Americans in bulk
- Government grant-funded research should not be published in for-profit journals
- Grace Hopper's Revenge
- Grafeo – A fast, lean, embeddable graph database built in Rust
- Grandparents are glued to their phones, families are worried [video]
- GrapheneOS will remain usable by anyone without requiring personal information
- Graphics Programming Resources
- Great at gaming? US air traffic control wants you to apply
- Grief and the AI split
- GrobPaint: Somewhere Between MS Paint and Paint.net. Multiplatform by Default
- Guy builds AI driven hardware hacker arm from duct tape, old cam and CNC machine
- Gvisor on Raspbian
- H.264 Streaming Fees: What Changed, Who's Affected, and What It Means
- HBO Obtains DMCA Subpoena to Unmask 'Euphoria' Spoiler Account on X
- HD Audio Driver for Windows 98SE / Me
- HP trialed mandatory 15-minute support call wait times (2025)
- Hacker News CLI
- Hacker mints $80M USD worth of USR stablecoins
- HackerRank (YC S11) Is Hiring
- Hacking an old Kindle to display bus arrival times
- Hamilton-Jacobi-Bellman Equation: Reinforcement Learning and Diffusion Models
- Hammerspoon
- HandyMKV for MakeMKV and HandBrake Automation
- Hardening Firefox with Anthropic's Red Team
- Haunt, the 70s text adventure game, is now playable on a website
- Have a Fucking Website
- Have a fucking website
- Having Kids (2019)
- Hazardous substances found in all headphones tested by ToxFREE project
- He saw an abandoned trailer. Then, uncovered a surveillance network
- Health NZ staff told to stop using ChatGPT to write clinical notes
- Hegel, a universal property-based testing protocol and family of PBT libraries
- Helix: A post-modern text editor
- Helsinki just went a full year without a single traffic death
- High-Level Rust: Getting 80% of the Benefits with 20% of the Pain
- Hightouch (YC S19) Is Hiring
- Hold on to Your Hardware
- HopTab–free,open source macOS app switcher and tiler that replaces Cmd+Tab
- Hormuz Minesweeper – Are you tired of winning?
- Hospital at centre of child HIV outbreak caught reusing syringes in Pakistan
- Hostile Volume – A game about adjusting volume with intentionally bad UI
- How AI skills are quietly automating my workday
- How BYD Got EV Chargers to Work Almost as Fast as Gas Pumps
- How I write software with LLMs
- How I'm Productive with Claude Code
- How Kernel Anti-Cheats Work
- How Lego builds a new Lego set
- How Pizza Tycoon simulated traffic on a 25 MHz CPU
- How We Broke Top AI Agent Benchmarks: And What Comes Next
- How We Synchronized Editing for Rec Room's Multiplayer Scripting System
- How Will OpenAI Compete?
- How a dancer with ALS used brainwaves to perform live
- How do I cancel my ChatGPT subscription?
- How many products does Microsoft have named 'Copilot'?
- How much precision can you squeeze out of a table?
- How the AI Bubble Bursts
- How the Government Deceived Congress in the Debate over Surveillance Powers (2013)
- How the Sriracha guys screwed over their supplier
- How to Build Your Own Quantum Computer
- How to Not Pay Your Taxes
- How to Record and Retrieve Anything You've Ever Had to Look Up Twice
- How to Write Unmaintainable Code (1999)
- How to breathe in fewer microplastics in your home
- How to build a `Git diff` driver
- How to install and start using LineageOS on your phone
- How to make Firefox builds 17% faster
- How to record and retrieve anything you've ever had to look up twice
- How to run Qwen 3.5 locally
- How to talk to anyone and why you should
- How we rebuilt Next.js with AI in one week
- How will OpenAI compete?
- Hubble Snaps a New Dazzling Photo of the Crab Nebula
- HuggingFace Agent Skills
- Hugo's New CSS Powers
- Human Accelerated Region 1
- Human Rights Watch says drone strikes in Haiti have killed nearly 1,250 people
- Hybrid Attention
- Hydroph0bia – a fixed SecureBoot bypass for UEFI firmware based on Insyde H2O
- Hydroph0bia – fixed SecureBoot bypass for UEFI firmware from Insyde H2O (2025)
- Hyperlinks in Terminal Emulators
- Hypura – A storage-tier-aware LLM inference scheduler for Apple Silicon
- I Built a Scheme Compiler with AI in 4 Days
- I Built an Open-World Engine for the N64 [video]
- I Decompiled the White House's New App
- I Found 39 Algolia Admin Keys Exposed Across Open Source Documentation Sites
- I Pitched a Roller Coaster to Disneyland at Age 10 in 1978
- I Ported Coreboot to the ThinkPad X270
- I Quit. The Clankers Won
- I Traced My Traffic Through a Home Tailscale Exit Node
- I am directing the Department of War to designate Anthropic a Supply-Chain Risk
- I am directing the Department of War to designate Anthropic a supply-chain risk
- I beg you to follow Crocker's Rules, even if you will be rude to me
- I built a demo of what AI chat will look like when it's "free" and ad-supported
- I built a pint-sized Macintosh
- I built a programming language using Claude Code
- I built a tool to let you export your X bookmarks and categorize them
- I decompiled the White House's new app
- I don't know how you get here from "predict the next word."
- I found 39 Algolia admin keys exposed across open source documentation sites
- I made a terminal pager
- I pitched a roller coaster to Disneyland at age 10 in 1978
- I ported Linux to the PS5 and turned it into a Steam Machine
- I ported Mac OS X to the Nintendo Wii
- I put all 8,642 Spanish laws in Git – every reform is a commit
- I put my whole life into a single database
- I ran Gemma 4 as a local model in Codex CLI
- I resigned from OpenAI
- I run multiple $10K MRR companies on a $20/month tech stack
- I still prefer MCP over skills
- I think WebRTC is better than SSH-ing for connecting to Mac terminal from iPhone
- I traced $2B in grants and 45 states' lobbying behind age‑verification bills
- I tried Karpathy's Autoresearch on an old research project
- I tried to prove I'm not AI. My aunt wasn't convinced
- I use excalidraw to manage my diagrams for my blog
- I wanted to build vertical SaaS for pest control, so I took a technician job
- I went to America's worst national parks so you don't have to
- I wrote to Flock's privacy contact to opt out of their domestic spying program
- I'm helping my dog vibe code games
- I'm reluctant to verify my identity or age for any online services
- I've been waiting over a month for Anthropic support to respond
- I've been waiting over a month for Anthropic to respond to my billing issue
- IBM 3270 Information Display System: Color and Programmed Symbols (1979) [pdf]
- IBM Announces Strategic Collaboration with Arm
- IBM, sonic delay lines, and the history of the 80×24 display
- IPv6 address, as a sentence you can remember
- IRIX 3dfx Voodoo driver and glide2x IRIX port
- IRS Tactics Against Meta Open a New Front in the Corporate Tax Fight
- ISBN Visualization
- If AI writes code, should the session be part of the commit?
- If DSPy is so great, why isn't anyone using it?
- If you thought the code writing speed was your problem; you have bigger problems
- If you're running OpenClaw, you probably got hacked in the last week
- Iguanaworks has closed down. USB Infrared hardware open source maker
- Illinois Introducing Operating System Account Age Bill
- Image generation models can think
- Implementing automatic eSIM installation on Android
- In 2025, Meta paid an effective federal tax rate of 3.5%
- In Edison’s Revenge, Data Centers Are Transitioning From AC to DC
- In Japan, the robot isn't coming for your job; it's filling the one nobody wants
- In Memoriam: John W. Addison, my PhD advisor
- In Praise of Stupid Questions
- Incident March 30th, 2026 – Accidental CDN Caching
- Indefinite Book Club Hiatus
- Independent Geophysical Forensic Analysis of the Nordstream Pipeline Sabotage
- India's top court angry after junior judge cites fake AI-generated orders
- Inferring Car Movement Patterns from Passive TPMS Measurements
- Inferring car movement patterns from passive TPMS measurements
- Innocent woman jailed after being misidentified using AI facial recognition
- InpharmD (YC W21) Is Hiring – Senior Ruby on Rails Developer
- Inside Nepal's Fake Rescue Racket
- InspectMind AI (YC W24) Is Hiring
- Installing Every* Firefox Extension
- Installing OpenBSD on the Pomera DM250{,XY?}
- Installing a Let's Encrypt TLS Certificate on a Brother Printer with Certbot
- Installing every* Firefox extension
- Intel 486 CPU announced April 10, 1989
- Intel Announces Arc Pro B70 and Arc Pro B65 GPUs
- Intel Foundry boss leaves for Qualcomm
- Intel XeSS 3: expanded support for Core Ultra/Core Ultra 2 and Arc A, B series
- Intel's make-or-break 18A process node debuts for data center with 288-core Xeon
- Intelligence is a commodity. Context is the real AI Moat
- Intent-Based Commits
- Internet outage in Iran reaches 1,008 hours
- Interoperability Can Save the Open Web (2023)
- Introspective Diffusion Language Models
- Intuitions for Tranformer Circuits
- Investigating How Long-Distance Couples Use Digital Games to Facilitate Intimacy
- Iran launched unsuccessful attack on UK's Diego Garcia
- Iran strikes leave Amazon availability zones "hard down" in Bahrain and Dubai
- Iran war energy shock sparks global push to reduce fossil fuel dependence
- Iran war wreaking havoc on shipping and air cargo, could create global delays
- Iran's Ayatollah Ali Khamenei is killed in Israeli strike, ending 36-year rule
- Iran's attacks on Amazon data centers in UAE, Bahrain signal a new kind of war
- Iran-backed hackers claim wiper attack on medtech firm Stryker
- Iran-linked hackers have breached FBI director's personal emails
- Ireland shuts last coal plant, becomes 15th coal-free country in Europe (2025)
- Is Germany's gold safe in New York ?
- Is anybody else bored of talking about AI?
- Is anyone actually using OpenClaw?
- Is it a pint?
- Isotopic Evidence for a Cold and Distant Origin of Interstellar Object 3I/Atlas
- Israel launches strike against Iran, declares state of emergency across country
- It looks like the “JVG algorithm” only wins on tiny numbers
- Italo Calvino: A Traveller in a World of Uncertainty
- Italo Calvino: A traveller in a world of uncertainty
- JSIR: A High-Level IR for JavaScript
- JSLinux Now Supports x86_64
- JSON Formatter Chrome Plugin Now Closed and Injecting Adware
- Jack Dorsey says Block employees now bring prototypes, not slides, to meetings
- Jails for NetBSD – Kernel Enforced Isolation and Native Resource Control
- Jane Street Hit with Terra $40B Insider Trading Suit
- January in Servo: preloads, better forms, details styling, and more
- Japan implements language proficiency requirements for certain visa applicants
- Java 26 is here
- Java is fast, code might not be
- Jazz CRJ9 at New York on Mar 22nd 2026, collision with fire truck on runway
- Jeff Bezos Upended the Washington Post
- Jemalloc un-abandoned by Meta
- Jennifer Aniston and Friends Cost Us 377GB and Broke Ext4 Hardlinks
- Jensen Huang says Nvidia is pulling back from OpenAI and Anthropic
- Jepsen: MariaDB Galera Cluster 12.1.2
- Jiga (YC W21) Is Hiring
- Jimi Hendrix was a systems engineer
- John Carmack about open source and anti-AI activists
- John Deere to pay $99M in right-to-repair settlement
- Jolla on track to ship new phone with Sailfish OS, user-replaceable battery
- Jolla phone – a full-stack European alternative
- Judge blocks Pentagon effort to 'punish' Anthropic with supply chain risk label
- Judge finalizes order for Greenpeace to pay $345M in ND oil pipeline case
- Jury Finds Live Nation Acts as a Monopoly in a Victory for States
- Jury says Meta knowingly harmed children for profit, awarding landmark verdict
- Just two days of oatmeal cut bad cholesterol by 10%
- Kagi Product Tips – Customize Your Search Results with URL Redirects
- Kagi Small Web
- Kagi Translate now supports LinkedIn Speak as an output language
- Kaizen (YC P25) Hiring Eng, GTM, Cos to Automate BPOs
- Kalshi CEO expects US DOJ to prosecute insider trading cases
- Kangina
- Kansai Airport has never lost a baggage in the 30 years since it opened
- Keep Android Open
- Keeping a Postgres Queue Healthy
- Khamenei Dead
- Ki Editor - an editor that operates on the AST
- Kin: Semantic version control that tracks code as entities, not files
- Kyber (YC W23) Is Hiring an Enterprise Account Executive
- LLM Writing Tropes.md
- LLM plays an 8-bit Commander X16 game using structured "smart senses"
- LLM=True
- LLMs can be exhausting
- LLMs can unmask pseudonymous users at scale with surprising accuracy
- LLMs work best when the user defines their acceptance criteria first
- Labor market impacts of AI: A new measure and early evidence
- Lago (YC S21) Is Hiring
- Landmark L.A. jury verdict finds Instagram, YouTube were designed to addict kids
- Language Model Contains Personality Subnetworks
- Language Model Teams as Distrbuted Systems
- Language model teams as distributed systems
- Larry Page has moved to Florida
- Last gasps of the rent seeking class?
- Lat.md: Agent Lattice: a knowledge graph for your codebase, written in Markdown
- Latency numbers every programmer should know
- Launch HN: Captain (YC W26) – Automated RAG for Files
- Launch HN: Cardboard (YC W26) – Agentic video editor
- Launch HN: Cekura (YC F24) – Testing and monitoring for voice and chat AI agents
- Launch HN: Chamber (YC W26) – An AI Teammate for GPU Infrastructure
- Launch HN: Didit (YC W26) – Stripe for Identity Verification
- Launch HN: Freestyle: Sandboxes for AI Coding Agents
- Launch HN: IonRouter (YC W26) – High-throughput, low-cost inference
- Launch HN: Kampala (YC W26) – Reverse-Engineer Apps into APIs
- Launch HN: Kita (YC W26) – Automate credit review in emerging markets
- Launch HN: OctaPulse (YC W26) – Robotics and computer vision for fish farming
- Launch HN: Palus Finance (YC W26): Better yields on idle cash for startups, SMBs
- Launch HN: Prism (YC X25) – Workspace and API to generate and edit videos
- Launch HN: Relvy (YC F24) – On-call runbooks, automated
- Launch HN: RunAnywhere (YC W26) – Faster AI Inference on Apple Silicon
- Launch HN: Sentrial (YC W26) – Catch AI Agent Failures Before Your Users Do
- Launch HN: Sitefire (YC W26) – Automating actions to improve AI visibility
- Launch HN: TeamOut (YC W22) – AI agent for planning company events
- Launch HN: Terminal Use (YC W26) – Vercel for filesystem-based agents
- Launch HN: Vela (YC W26) – AI for complex scheduling
- Launch HN: Voltair (YC W26) – Drone and charging network for power utilities
- Launch HN: Voygr (YC W26) – A better maps API for agents and AI apps
- Launch an autonomous AI agent with sandboxed execution in 2 lines of code
- Launching the Claude Partner Network
- Lawmakers say US Military used laser to take down Border Protection drone in TX
- Layoffs at Block
- Lean proved this program correct; then I found a bug
- Leanstral: Open-source agent for trustworthy coding and formal proof engineering
- Learn Claude Code by doing, not reading
- Learning Creative Coding
- Learning athletic humanoid tennis skills from imperfect human motion data
- Learnings from paying artists royalties for AI-generated art
- Leaving Google has actively improved my life
- Lemonade by AMD: a fast and open source local LLM server using GPU and NPU
- Lenovo's New ThinkPads Score 10/10 for Repairability
- Let's Get Physical
- Let's discuss sandbox isolation
- LibreOffice Writer now supports Markdown
- LibreOffice and the Art of Overreacting
- LibreOffice – Let's put an end to the speculation
- LibreSprite – open-source pixel art editor
- Libxml2 Enterprise Edition (AGPL, from the previous maintainer)
- Lichess and Take Take Take Sign Cooperation Agreement
- Lil Finder Guy
- Lil' Fun Langs' Guts
- LinkedIn uses 2.4 GB RAM across two tabs
- Linux Applications Programming by Example: The Fundamental APIs (2nd Edition)
- Linux Internals: How /proc/self/mem writes to unwritable memory (2021)
- Linux is an interpreter
- Lisette a little language inspired by Rust that compiles to Go
- Lisp-style C++ template meta programming
- LiteLLM (YC W23): Founding Reliability Engineer – $200K-$270K and 0.5-1.0% equity
- Little Free Library
- Little Free Library Books
- Little Snitch comes to Linux, but the core logic is closed source
- Little Snitch for Linux – Because Nothing Else Came Close
- LittleSnitch for Linux
- Live Nation Illegally Monopolized Ticketing Market, Jury Finds
- Living human brain cells play DOOM on a CL1 [video]
- LoGeR – 3D reconstruction from extremely long videos (DeepMind, UC Berkeley)
- Local Stack Archived their GitHub repo and requires an account to run
- Log File Viewer for the Terminal
- Londoners are sick of viral videos telling lies about their city
- Looks like it is happening
- Lost Doctor Who Episodes Found
- Love of corporate bullshit is correlated with bad judgment
- Lower Price for ChatGPT Business
- MAUI Is Coming to Linux
- MCP as Observability Interface: Connecting AI Agents to Kernel Tracepoints
- MCP is dead. Long live the CLI
- MDalgorithms (AI Healthcare) – Hiring Growth Marketer – Remote – $80K-$140K
- MOS tech 6502 8-bit microprocessor in pure SQL powered by Postgres
- Mac external displays for designers and developers, part 2 (2022)
- MacBook M5 Pro and Qwen3.5 = Local AI Security System
- Mac mini will be made at a new facility in Houston
- Mad Bugs: Vim vs. Emacs vs. Claude
- MagicAudio – Free Noise, Echo and Background Music Remover
- Make macOS consistently bad (unironically)
- Make macOS consistently bad unironically
- Making Firefox's right-click not suck with about:config
- Making MCP cheaper via CLI
- Making Wolfram tech available as a foundation tool for LLM systems
- Manjaro website off-line again due to lapsed certificate
- Many African families spend fortunes burying their dead
- Many SWE-bench-Passing PRs would not be merged
- Mario and Earendil
- Math Is Still Catching Up to the Mysterious Genius of Srinivasa Ramanujan (2024)
- Mathematical Minimalism
- Mathematical methods and human thought in the age of AI
- Mbodi AI (YC P25) Is Hiring
- Measuring progress toward AGI: A cognitive framework
- Media scraper Gallery-dl is moving to Codeberg after receiving a DMCA notice
- Medical journal says the case reports it has published for 25 years are fiction
- MegaTrain: Full Precision Training of 100B+ Parameter LLMs on a Single GPU
- Megadev: A Development Kit for the Sega Mega Drive and Mega CD Hardware
- Memo: A language that remembers only the last 12 lines of code
- Men in their 50s may be aging faster due to toxic 'forever chemicals'
- Meow.camera
- Mercurial Dyson – a plan for the disassembly of planet Mercury
- Mercury 2: Fast reasoning LLM powered by diffusion
- Mercury 2: The fastest reasoning LLM, powered by diffusion
- Mesh over Bluetooth LE, TCP, or Reticulum
- Meta Horizon Worlds on Meta Quest is being discontinued
- Meta and Google found liable in social media addiction trial
- Meta and TikTok let harmful content rise to drove engagement, say whistleblowers
- Meta and YouTube Found Negligent in Landmark Social Media Addiction Case
- Meta ordered to pay $375M in New Mexico trial over child exploitation
- Meta removes ads for social media addiction litigation
- Meta told to pay $375M for misleading users over child safety
- Meta’s AI smart glasses and data privacy concerns
- Meta’s renewed commitment to jemalloc
- Meticulous (YC S21) is hiring to redefine software dev
- Miasma: A tool to trap AI web scrapers in an endless poison pit
- Michael Pollan punctures the AI bubble
- Michigan 'digital age' bills pulled after privacy concerns raised
- Microgpt
- Microslop Manifesto
- Microsoft BitNet: 100B Param 1-Bit model for local CPUs
- Microsoft Creative Writer (1993)
- Microsoft PhotoDNA scanning problem
- Microsoft bans the word "Microslop" on its Discord, then locks the server
- Microsoft blocks trick to unlock native NVMe driver, but workarounds still exist
- Microsoft is employing dark patterns to goad users into paying for storage?
- Microsoft's "Fix" for Windows 11: Flowers After the Beating
- Microsoft's 'unhackable' Xbox One has been hacked by 'Bliss'
- Midnight Captain – A midnight commander inspired file manager
- Midnight train from GA: A view of America from the tracks as airports struggle
- Migrating the American Express Payment Network, Twice
- Migrating to the EU
- Militaries are scrambling to create their own Starlink
- MinIO Is Dead, Long Live MinIO
- MiniStack (replacement for LocalStack)
- Ministack (Replacement for LocalStack)
- Mistral AI Releases Forge
- MitID, Denmarks sole digital ID, has been down for over an hour and counting
- Modern SQLite: Features You Didn't Know It Had
- Modifying FileZilla to Workaround Bambu 3D Printer's FTP Issue
- Monkey Island for Commodore 64 Ground Up
- MonoGame: A .NET framework for making cross-platform games
- More common mistakes to avoid when creating system architecture diagrams
- Most of the US economy is in a recession
- Motorola announces a partnership with GrapheneOS Foundation
- Mouser: An open source alternative to Logi-Plus mouse software
- Moving a large-scale metrics pipeline from StatsD to OpenTelemetry / Prometheus
- Moving from GitHub to Codeberg, for lazy people
- Moving from WordPress to Jekyll (and static site generators in general)
- Mozilla to launch free built-in VPN in upcoming Firefox 149
- Mr. Chatterbox is a Victorian-era ethically trained model
- Mullvad VPN: Banned TV Ad in the Streets of London [video]
- Multi-Agentic Software Development Is a Distributed Systems Problem
- Multifactor (YC F25) Is Hiring an Engineering Lead
- Muse Spark: Scaling towards personal superintelligence
- Musketeer d'Artagnan's remains believed found under Dutch church
- My Homelab Setup
- My minute-by-minute response to the LiteLLM malware attack
- N-Day-Bench – Can LLMs find real vulnerabilities in real codebases?
- NASA Artemis II moon mission live launch broadcast
- NASA announces major overhaul of Artemis program amid safety concerns, delays
- NASA announces overhaul of Artemis program amid safety concerns, delays
- NHS staff refusing to use FDP over Palantir ethical concerns
- NMAP in the Movies
- NRC Issues First Commercial Reactor Construction Approval in 10 Years [pdf]
- NRC issues first commercial reactor construction approval in 10 years [pdf]