by HELLO EVERYONE!!! It’s January 16th 2026, and you are reading the 94th edition of Codeminer42’s tech news report. Let’s check out what the tech world showed us this week!
Bun Is Fast, Until Latency Matters for Next.js Workloads – by Matteo Collina
This interesting article reveals surprising benchmark results comparing Bun, Node.js, Deno, and others on Next.js 15.5 workloads, while Bun shines in raw speed claims, it suffers dramatically higher and more variable latency under real load, making it less ideal for latency-sensitive apps. Dive deeper into the reproducible tests and find out why consistency matters!
Stop turning everything into arrays (and do less work instead) – by Matt Smith
This article makes a compelling case against overusing arrays in JavaScript, highlighting how eager methods like map/filter create unnecessary intermediate arrays and waste resources, switch to lazy iterator helpers for better performance in large datasets, UI rendering, and streaming scenarios. A must-read for optimizing your code! Check it out!
AI at scale – Lessons from QCon AI New York 2025 – by Talysson Oliveira
This interesting article from our teammate Talysson Oliveira, shares key takeaways from QCon AI New York 2025, stressing data quality, avoiding "architectural amnesia," evolving UX beyond chats, security risks in AI agents, and why classic engineering principles still matter at scale. Essential insights for building robust AI systems!
How to ‘Steal’ Any React Component – by David Fant
This interesting post explains a clever browser-based technique to reverse-engineer and reconstruct React components from live sites using React Fiber inspection, LLM prompting, and prop-to-HTML matching, perfect for inspiration or recreating static UIs. A creative hack worth exploring, check it out!
Under the Hood: Universal Commerce Protocol (UCP) – by Amit Handa & Ashish Gupta
This must article dives into Google’s Universal Commerce Protocol, breaking down how it standardizes commerce interactions across platforms for better interoperability and developer experience. Great for anyone in e-commerce tech. Check it out!
Using CORS + Google Sheets is the cheapest way to implement a waitlist for landing pages.
This practical post shows a super low-cost hack using CORS and Google Sheets to handle waitlist signups for landing pages without a backend. Simple, effective, and budget-friendly!
YAML? That’s Norway problem – by LAB174.com
This fun article plays on words with a quirky take on YAML pitfalls (or perhaps a Norway-themed joke), offering light-hearted commentary on config woes. Enjoy the humor.
How wrong can a JavaScript Date calculation go? – by Phil Nash
This article explores the many ways JavaScript Date objects can lead to surprising bugs and miscalculationsm, reminder to handle dates with care. Eye-opening for any JS dev!
Avoiding TanStack Form Pitfalls – by Matt Huggins
This post shares common mistakes and best practices when using TanStack Form, helping you build more reliable forms. Super useful for React developers! Click on the article link.
Bring back opinionated architecture – by Frederick Vanbrabant
This article advocates for returning to opinionated frameworks and architectures to reduce decision fatigue and improve team velocity in modern development. Thought-provoking!
Building an MCP Server for a React Component – by James Swinton
This video tutorial walks through creating an MCP (likely Model-Component-Protocol) server tailored for React components, a deep dive into advanced component architecture. Watch and learn!
Web dependencies are broken. Can we fix them? – by Lea Verou
This article critiques the current state of web dependencies and proposes potential fixes to make them more reliable and maintainable. A must-read for frontend folks.
Languages, Tools & Framework releases
Ruby 4.0.1 Released
This official announcement covers the latest Ruby 4.0.1 release with bug fixes and improvements. Time to update your projects.
Security Releases – by The Node.js Project
This Node.js security bulletin details important patches released around January 13, 2026. Essential reading to stay secure.
Bun v1.3.6
This post announces Bun v1.3.6 with new features, fixes, and performance tweaks, check out what’s new in this fast-evolving runtime!
—
And that’s all for this week! Wish you all a great weekend and happy coding!
We want to work with you. Check out our Services page!
