I took one month off the FE news update in three years. It was refreshing, and I had a busy holiday in between. Now I'm back and trying to sort out all the updates. 🙂
Some of the things I found interesting are below, and as usual, cover JavaScript, HTML/CSS and a bit of other things. Happy Friday and Happy Reading!
Effect is a TypeScript library that allows you to easily(?) build typesafe, resilient, and scalable applications, providing features such as error handling, validation, retry logic, structured concurrency, and observability.
Example with Svelte: https://github.com/mateoroldos/sveltekit-effect-template
It's always good to refresh your knowledge, and this post is a pleasure to read. After reading this, you will learn/re-learn when to use arrow functions and when to avoid them.
It is amazing what you can build with Constrained Design.
This Big(O) post stands out by visualisation and great explanation.
The feature that was in the making for ten years is finally out.
https://eslint.org/blog/2025/08/multithread-linting/
Remix 3 takes a new direction, aiming to eliminate any critical dependencies, including React. Instead, they will fork Preact, which is a mature DOM library used by Shopify, Google and others.
https://www.infoq.com/news/2025/08/remix-run-v3-drops-react/
There is a lesser-known built-in API that sends a request to the server when the user closes the browser, tabs, or changes the URL in the browser tab.
https://hemath.dev/blog/say-bye-with-javascript-beacon/
https://codepen.io/kevinpowell/pen/QwbRxNw
Another great article by Ahmad. Great example of how you position unrelated DOM elements using Anchor Positioning.
https://ishadeed.com/article/anchor-positioning/
What img srcset does in HTML5: a quick and straightforward guide
https://html.com/attributes/img-srcset/
https://lyra.horse/blog/2025/08/you-dont-need-js/
Reliable automation for your screen reader a11y workflows through JavaScript. This looks promising and could help accelerate the process of identifying common bugs, reducing the workload for manual testing.
This is an open-source large language model trained on 15T tokens across 1000+ languages. Apertus is fully transparent and operates strictly in accordance with Swiss data and copyright law. For banks, insurers and regulators, this flips AI from a liability minefield into compliant infrastructure that current mainstream LLMs struggle to guarantee due to their closed architecture. In any case, I appreciated that something is happening in the EU as well.
https://www.swiss-ai.org/apertus
https://addyosmani.com/blog/chrome-17th/
https://www.bbc.co.uk/future/article/20250731-a-journey-into-the-heart-of-the-forgotten-internet