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The daily ledger

TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.

13 Aug 2026 edition
FastAPI GitHub Python

encode/uvicorn: Version 0.52.2

Fixed Update zttp to 0.0.22, fixing bodyless request receives and improving HTTP/1 request parsing performance (#3063) Full Changelog: 0.52.1...0.52.2

Source: Uvicorn Releases Kludex
Rust GitHub

rust-lang/rust-analyzer: nightly

Merge pull request #23127 from ChayimFriedman2/break-diverge fix: Do not consider loop containing `break expr` to not diverge if `expr` is diverging

Source: rust-analyzer Releases github-actions[bot]
JavaScript

Why I Built an SPA Router for HTML and Web Components

I didn't set out to build a router. I had a project built with HTML and Web Components. It worked, and I was happy with that stack. Then a few sections needed client-side navigation. Most pages needed to remain…

Source: DEV JavaScript feed Aleksandr Buryakov
JavaScript

200+ Celebrity Trivia Questions & JSON Structure Example

Building a Pop Culture Quiz App? 200+ Celebrity Trivia Questions & Data Model Whether you're building a CLI game in Rust, a React/Next.js quiz dashboard, or a mobile app with Flutter, finding high-quality, structured…

Source: DEV JavaScript feed Trivia Questioners
JavaScript

A 5-Minute Task Shouldn't Need a 50MB App

There are a lot of small tasks developers do surprisingly often: resize an image convert an image format merge a couple of PDFs extract text from an image generate a QR code count words remove a page from a PDF None of…

Source: DEV JavaScript feed Maulik Solanki
JavaScript

Introducing mutex-forge: Mutex & Semaphore for async JavaScript

JavaScript is single-threaded, but async code still races. Two functions can await at the same time and both update shared state — caches, balances, worker message flows. Those bugs are hard to reproduce. I built…

Source: DEV JavaScript feed Javon Ayers
JavaScript

First frame + last frame is enough. You don't need a timeline.

I keep seeing the same product mistake in image-to-video tools: they ship a timeline. Tracks. Keyframes. Easing. Export presets. A “studio” that looks like a junior After Effects. That is a real product if the user…

Source: DEV JavaScript feed sam lee
JavaScript

I Built a Free PDF Form Filler (Because PDFfiller Charges for That)

I Built a Free PDF Form Filler (Because PDFfiller Charges for That) I needed to fill out a few PDF forms for work. You know the drill — open PDFfiller, upload the file, fill in the fields, download. Except I hit a wall.…

Source: DEV JavaScript feed Jack Green
JavaScript

Encode, don't stringify - how JSON.stringify lies to you

Do you remember how 5-7 years ago everyone used Yup or Ajv and was genuinely happy about it? I have to admit half of the internet is still happy about it 🫡 Then "Parse, don't validate" came out and became a handbook for…

Source: DEV JavaScript feed Dmitry Zakharov
JavaScript

3 New Free Browser Tools I Added This Week (No Signup, No Upload)

3 New Free Browser Tools I Added This Week (No Signup, No Upload) Every week I add more free tools to Tooly, and this week shipped three that keep coming up in real workflows. All of them run entirely in your browser —…

Source: DEV JavaScript feed Tooly
JavaScript

Explore Innova Hycross Car Rental in Delhi | Incredible Heritage Tours

If you’re travelling for a business meeting, family outing, wedding day, or that long outstation trip, the right car can change everything. Innova Hycross Car Rental in Delhi is perfect pick if you want that mix of…

Source: DEV JavaScript feed Manīṣh Diwākar (Seo)
JavaScript

Will This Work? | Suggestions Please.

Cracking the Firefox Performance Puzzle for "Moksha" Hey everyone! As I’ve been testing Moksha—our vanilla JS and HTML5 Canvas game—across different browsers, I ran into a massive roadblock: Firefox was lagging heavily,…

Source: DEV JavaScript feed Weird Codes
JavaScript

What I Learned While Testing OllaNode’s Free Version With Node.js

I usually prefer testing the service myself before coming to any conclusion about its usefulness for my purposes. In this regard, I have recently started using OllaNode because I wanted to find a convenient way to test…

Source: DEV JavaScript feed Harshitha J
JavaScript

The Ultimate Guide to Buying Old Yahoo Accounts with 2fa & app....

Buy Old Yahoo Accounts with 2FA & App Password SEO-Optimized Guide to Aged Yahoo Accounts, Two-Factor Authentication, App Passwords, Email Security, and Safer Business Email Practices 💬 🔹 24/7 Support Is Always…

Source: DEV JavaScript feed hedymont
JavaScript

PWA Offline Strategist & Service Worker Architect

Build robust Progressive Web Apps (PWAs) with advanced offline capabilities and optimal performance. This intuitive visual tool allows developers to design and generate a custom Service Worker script by defining caching…

Source: DEV JavaScript feed Denis
JavaScript

The Case of the Lying Clock: 5 Vue Mysteries Solved

The Case of the Lying Clock: 5 Vue Mysteries Solved Every detective has their cold cases. These are mine — five Vue concepts that confused me until I investigated them properly. Grab your magnifying glass. Case #1: The…

Source: DEV JavaScript feed Izak T
JavaScript

Sliding Window Pattern to Remove Static Correlation Bias

Intro I lead cloud-hosted quantitative coding labs focused on forex algorithmic trading, and one recurring pain point students hit is flawed multi-asset analysis. Most new devs build scripts that only track single…

Source: DEV JavaScript feed James Tao
JavaScript

My monitor said "all clear" while it was completely blind

I have a small watcher script. Its whole job is to notice when one specific web page changes — a rewards program that, when it announces, opens a claim window that closes in about 90 days. Miss the announcement, miss…

Source: DEV JavaScript feed Bcrypto
JavaScript

Stop Wasting $180/Year on Canva for Something This Simple

Stop Wasting $180/Year on Canva for Something This Simple The Problem Local businesses need to post to Google Business Profile regularly — updates, offers, events, new products. It's how they stay visible. But Canva…

Source: DEV JavaScript feed Jack Green
Rust GitHub

bevyengine/bevy: v0.19.1

A full diff of what's in this release can be seen here: v0.19.0...v0.19.1

Source: Bevy Releases alice-i-cecile