Unwritten SWE laws ⚖️, being good at research 🔬, building faster websites ⚡️

Software engineering relies on unwritten principles learned through experience that prioritize system stability and proactive risk mitigation ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

Sign Up |Advertise|View Online TLDR Together With  TLDR Dev 2026-06-11 Agentic codegen is blowing up build queues. CI that turns scale into speed, reliably, is more important than ever. (Sponsor) Buildkite has run CI for OpenAI, Airbnb, Canva, Uber and Shopify for 7-12 yrs as they grew. Now we also orchestrate for Cursor, NVIDIA, Anthropic, Meta, Mistral, xAI, Discord, Reddit, Ramp, Planetscale, Pierre and Bun... ...and the workloads that build vLLM, Lambda, Bazel and Backstage. Quietly powering software used by 1B+ people daily, since 2013. Parallelize, fan-out and orchestrate at depths a slightly faster runner won't reach. Start with our all-access 30-day trial. Signup here → 🧑‍💻 Articles & Tutorials How building an HTML-first site doubled our users overnight (6 minute read) Rebuilding a utility company's failed React application into an HTML-first site using Astro instantly doubled its user completion rates overnight. Focusing on progressive enhancement, lightweight code, and backend data storage made the user experience much better for low-spec devices and poor connections. Instant by default, multiplayer by design (15 minute read) Plain is a developer platform that replaces the traditional request-response model with a sync-based architecture that maintains a live replica of the database within the browser. The system uses two specialized engines to handle different data types, using ElectricSQL for Postgres rows and Yjs for character-level concurrent document editing. By subscribing to live state instead of individual endpoints, every view stays updated automatically without the need for manual page refreshes. 🧠 Opinions & Advice Policy on the AI Exponential (30 minute read) Anthropic CEO Dario Amodei writes that rapid technological progress is currently outpacing legislative capacity, creating an urgent need for mandatory safety testing and government oversight of frontier models to prevent catastrophic risks in cybersecurity and biology. Addressing the potential for huge labor displacement and hyper-inequality requires a multi-faceted economic response. The unwritten laws of software engineering (9 minute read) Software engineering relies on unwritten principles learned through experience that prioritize system stability and proactive risk mitigation. When production issues occur, the most effective approach is to perform an immediate rollback before debugging and to make sure that all backups have been verified through actual restoration tests. Engineers must also plan for the inevitable failure of external dependencies. How to be good at research (5 minute read) True research mastery requires moving beyond just imitation by deliberately training specific skills, starting with the selection of original problems rather than simply following current trends. Diversifying information inputs by studying foundational papers and reading full documents instead of summaries helps build the unique insights necessary for genuine innovation. 🚀 Launches & Tools Extend UI (Website) Extend UI is an open-source toolkit designed for building modern document applications with integrated file viewers and management features. The library includes specialized components for handling various formats like PDF, DOCX, and XLSX, alongside tools for e-signatures and file uploads. Apache Burr (GitHub Repo) Apache Burr is an open-source Python framework for developing decision-making applications, such as chatbots and agents, using a state machine architecture. The system allows devs to model complex workflows as graphs of simple Python functions, providing a clear structure for managing state and transitions. Helix DB (GitHub Repo) HelixDB is an OLTP graph-vector database written in Rust that unifies vector, graph, relational, and document data into one system to simplify AI memory management. It provides a CLI and SDKs for local development while offering a managed cloud service with high availability, ACID transactions, and auto-scaling. 🎁 Miscellaneous Surprise! Pay $1,000 (6 minute read) A development team seeking a faster alternative to GitHub Actions tested Blacksmith, a service offering a free trial with no credit card requirement. After exceeding the trial limits, the users unexpectedly received an invoice for over $1,000 because the service continued running rather than automatically suspending as anticipated. The iPad was on Tailscale (14 minute read) An investigation into why a WebRTC-based application failed exclusively on an iPad revealed a complex interaction between two separate software bugs. The first issue involved a hardcoded constant in the webrtc-rs library that generated data packets exceeding the maximum size allowed by Tailscale's VPN tunnel. Although these oversized packets were fragmented to fit the tunnel, Tailscale's policy of dropping all IPv6 fragments prevented the data from ever reaching the destination. What Bun Can Tell Us About AI, Open Source, and Anthropic (15 minute read) Anthropic acquired Bun's maker Oven in December 2025, and the runtime has kept growing fast (npm installs up ~16X to 7.3M/month). However, two shifts stand out: AI now writes most commits (peaking above 80%), while human contributors have roughly halved, with most of the original team gone and external contributions falling sharply. ⚡ Quick Links Structured output from one API call without managing the LLM, browser, or pipeline. (Sponsor) Pass a URL and a JSON schema to Tabstack's /extract and /generate endpoints and get back structured data that matches your schema exactly, no scraping pipeline or LLM prompt engineering required. Extract Structured Data Anthropic's Model Naming, Extrapolated (1 minute read) Anthropic's literary-inspired model naming convention is funnily projected into a future where AI products scale from simple verses to increasingly complex and absurd narrative formats. If Claude Fable stops helping you, you'll never know (3 minute read) Anthropic's implementation of invisible performance restrictions on AI development tasks creates a supply chain risk because developers can no longer distinguish between a model's natural failure and intentional, silent policy enforcement. Pioneering the Agentic Shift Within Salesforce Engineering (6 minute read) Salesforce transitioned to a fully agentic software development lifecycle by standardizing on Claude Code and removing token limits. AI Creativity and Discovery (4 minute read) True scientific discovery and creativity in AI require a transition from just mimicry of generative models toward systems that use variation, evaluation, and selective retention to produce results that are both novel and effective. Love TLDR? Tell your friends and get rewards! Share your referral link below with friends to get free TLDR swag! https://refer.tldr.tech/d0af4569/3 Track your referrals here. Want to advertise in TLDR? 📰 If your company is interested in reaching an audience of web developers and engineering decision makers, you may want to advertise with us. Want to work at TLDR? 💼 Apply here, create your own role or send a friend's resume to jobs@tldr.tech and get $1k if we hire them! TLDR is one of Inc.'s Best Bootstrapped businesses of 2025. If you have any comments or feedback, just respond to this email! Thanks for reading, Priyam Mohanty, Jenny Xu & Ceora Ford Manage your subscriptions to our other newsletters on tech, startups, and programming. Or if TLDR Dev isn't for you, please unsubscribe.