DevBlogs

Good evening.

  1. Context Engineering (LangChain) code
  2. Driving Content Delivery Efficiency Through Classifying Cache Misses (Netflix)
  3. AV1 @ Scale: Film Grain Synthesis, The Awakening (Netflix)
  4. Python 3.14 Preview: Template Strings (T-Strings) (Real Python) code
  5. Thinking about running for the PSF Board? Let’s talk! (Python Software Foundation)
  6. Quiz: Python 3.14 Preview: Template Strings (T-Strings) (Real Python)
  7. Django bugfix release issued: 5.2.4 (Django)
  8. Deno 2.4: deno bundle is back (Deno) codevideo

  1. goHardDrive Leaked Personal Data for Thousands of Customers (Michael Lynch) code
  2. Introducing Dynamic Intelligence for Replit Agent (Replit)
  3. An inside look at Meta’s transition from C to Rust on mobile (Meta) podcast
  4. Implementing the Factory Method Pattern in Python (Real Python)
  5. The Gap Strikes Back: Now Stylable (CSS Tricks) code
  6. Creating a Website with Sphinx and Markdown (Mouse vs Python) code
  7. Content Independence Day: no AI crawl without compensation! (Cloudflare)
  8. The crawl before the fall… of referrals: understanding AI’s impact on content providers (Cloudflare) code
  9. Control content use for AI training with Cloudflare’s managed robots.txt and blocking for monetized content (Cloudflare) code
  10. Introducing pay per crawl: enabling content owners to charge AI crawlers for access (Cloudflare) code
  11. From Googlebot to GPTBot: who’s crawling your site in 2025 (Cloudflare) code
  12. Message Signatures are now part of our Verified Bots Program, simplifying bot authentication (Cloudflare) code
  13. How Exa built a Web Research Multi-Agent System with LangGraph and LangSmith (LangChain)

  1. This Week in Spring - July 1st, 2025 (Spring)
  2. TBM 365: The Problem With Value Hierarchies (Video) (John Cutler)
  3. Meta joins Kotlin Foundation (Meta)
  4. Node.js LGBTQIA+ Stories: Emelia Smith (Node) code
  5. Use TorchAudio to Prepare Audio Data for Deep Learning (Real Python) code
  6. Using CSS Cascade Layers With Tailwind Utilities (CSS Tricks) code
  7. Quiz: Use TorchAudio to Prepare Audio Data for Deep Learning (Real Python)
  8. What Does a Post-Google Internet Look Like (Mat Dugan)
  9. Our 2024 Annual Impact Report (Django)
  10. The Evolution of My Company, Cloud Mechanix (Aidan Finn)

  1. JavaScript™ Trademark Update (Deno)
  2. Celebrate Micro-Small, and Medium-sized Enterprises Day with Cloudflare (Cloudflare)
  3. CSS Blob Recipes (CSS Tricks) code
  4. The Real Python Podcast – Episode #255: Structuring Python Scripts & Exciting Non-LLM Software Trends (Real Python) code
  5. TBM 364: Three Team Vibes (John Cutler)
  6. Open sourced identity (Node)
  7. Watch the DjangoCon Europe 2025 talks (Django)

  1. Conferences, Clarity, and Smokescreens (Alex Russell) code
  2. Russian Internet users are unable to access the open Internet (Cloudflare)
  3. Introducing Web Search for Replit Agent: Your Smart App Creation Partner (Replit)
  4. KelpUI (CSS Tricks)
  5. What's coming to JavaScript (Deno) code
  6. Updates for apps in the European Union (Apple)
  7. Orange Me2eets: We made an end-to-end encrypted video calling app and it was easy (Cloudflare) code

  1. Innovative Solutions for eCommerce — How Shopify Headless Works (Amit Merchant) code
  2. Poking at the CSS if() Function a Little More: Conditional Color Theming (CSS Tricks) code
  3. Your Guide to the Python print() Function (Real Python) code
  4. Building agents with OpenAI and Cloudflare’s Agents SDK (Cloudflare) code
  5. An Intro to ty – The Extremely Fast Python type checker (Mouse vs Python) code
  6. SVG Optimization and Accessibility Basics (David Bushell) code

  1. Node v22.17.0 (LTS) (Node) code
  2. Node v24.3.0 (Current) (Node) code
  3. How Captide agents running on LangGraph Platform compress investment research from days to seconds (LangChain)
  4. Containers are available in public beta for simple, global, and programmable compute (Cloudflare) code
  5. Lightly Poking at the CSS if() Function in Chrome 137 (CSS Tricks) code
  6. Starting With DuckDB and Python (Real Python) code

  1. TIL: Removing exif geodata from media (Daniel Greenfeld)
  2. Phoenix.new is Fly's entry into the prompt-driven app development space (Simon Wilison) code
  3. The rise of "context engineering" (LangChain)
  4. Using AI Right Now: A Quick Guide (One Useful Thing)
  5. Python enumerate(): Simplify Loops That Need Counters (Real Python) code
  6. A Better API for the Intersection and Mutation Observers (CSS Tricks) code
  7. JSR & Deno One Year Later - Malware?! (David Bushell) codevideo
  8. Node v20.19.3 (LTS) (Node) code

  1. TBM 363: Is Matt A Loser? (John Cutler)

  1. Bun v1.2.17 (Bun) code

  1. My First Open Source AI Generated Library (Armin Ronacher)
  2. In Memory of Mikeal Rogers: A Builder of Communities (Node)
  3. Color Everything in CSS (CSS Tricks) code
  4. The Real Python Podcast – Episode #254: Scaling Python Web Applications With Kubernetes and Karpenter (Real Python)
  5. Ditching Deno KV (David Bushell) code

  1. C++ in Jupyter — Interpreting C++ in the Web (Jupyter) code
  2. CSS Color Functions (CSS Tricks) code
  3. Everything you need to know about NIST’s new guidance in “SP 1800-35: Implementing a Zero Trust Architecture” (Cloudflare)
  4. Defending the Internet: how Cloudflare blocked a monumental 7.3 Tbps DDoS attack (Cloudflare)
  5. What Would a Kubernetes 2.0 Look Like (Mat Dugan) code

  1. Introducing Effort-Based Pricing for Replit Agent (Replit)
  2. Cloudflare Log Explorer is now GA, providing native observability and forensics (Cloudflare) code
  3. You Can’t Pay Me To Prompt! (David Bushell)
  4. Connect any React application to an MCP server in three lines of code (Cloudflare) code

  1. Trying out the new Gemini 2.5 model family (Simon Wilison) code
  2. Python 3.14.0 beta 3 is here! (Python Insider) code
  3. DSF member of the month - Elena Williams (Django)
  4. Exploring Python's list Data Type With Examples (Real Python) code
  5. Python 201 – All About the TypedDict (Mouse vs Python) code
  6. How to Keep Up With New CSS Features (CSS Tricks) code
  7. The PSF's 2024 Annual Impact Report is here! (Python Software Foundation)

  1. We Can Just Measure Things (Armin Ronacher)
  2. Homomorphically Encrypting CRDTs (Jake Lazaroff) code
  3. Python in Visual Studio Code – June 2025 Release (Microsoft Python) codevideo
  4. How and when to build multi-agent systems (LangChain)
  5. Write Pythonic and Clean Code With namedtuple (Real Python) code
  6. The lethal trifecta for AI agents: private data, untrusted content, and external communication (Simon Wilison) code
  7. A Better API for the Resize Observer (CSS Tricks) code

  1. An Introduction to Google’s Approach to AI Agent Security (Simon Wilison)

  1. The best paid SVG icon resources that money can buy (Amit Merchant)
  2. TBM 362: How (And Why) We Help (John Cutler)
  3. Why Generative AI Coding Tools and Agents Do Not Work For Me (Miguel Grinberg)

  1. Today @ WWDC25: Day 5 (Apple)