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

20 Sep 2026 edition

90 articles · 13 sources · 2 papers ·

Top topics: JavaScript · Python · AI

Python AI Django

Quoting voxium

It has been half a month since I started a new role at a big company. Nobody knows anything here. The specs, code, tests, PRDs, tickets, resolution of those tickets, reports, etc., everything is made by Claude Code.…

Source: Simon Willison's Weblog
Python AI Django

MCP was always a bad idea?

My comment on MCP was always a bad idea? — Hacker News. This article entirely misses the value that MCP brings today. Sure, there's almost no reason to use MCPs if you are running a full-blown terminal agent (Claude…

Source: Simon Willison's Weblog
Python AI Django

llm-keys-ui 0.1

Release: llm-keys-ui 0.1 This plugin solves a very specific problem. I've started using Codex Remote to run coding agents on various machines while controlling them from my phone. Sometimes I use those machines to hack…

Source: Simon Willison's Weblog
Rust

Help needed about tokio-rustls usage

Hi fellow rust users! I want to use the tokio-rustls crate for encrypting traffic between client and sever for my chat-server client project 8080_msg. However I can't figure out how you go from a regular async…

Source: Rust Users Forum cheese_space
Rust

Looking for examples of new protocol families?

Hi - I am looking to port an LKM over to Rust and it's been difficult getting started. What the LKM does is create a new address families at the application and transport layer. What I'm looking for are examples to help…

Source: Rust Users Forum pawndown
Python AI Django

datasette-explain 0.2.2

Release: datasette-explain 0.2.2 Explain plans now work on read-only stored-query pages. I upgraded datasette.simonwillison.net to Datasette 1.0a40, which inspired me to ship a new version of this explain plugin. Tags:…

Source: Simon Willison's Weblog
Java

AI-assisted genealogy, a follow-up

I got a lot of feedback on my post AI-assisted genealogy, some good, some not so good. In any case, I felt the subject was interesting to a lot of people. Meanwhile, I continue working on my tree, and I have deepened my…

Source: A Java geek
JavaScript AI

Plugin4Shell và CVE-2026-42559: hai lỗ hổng agent cần vá

Originally published on NextFuture Hai lỗ hổng công bố trong tuần đều nhắm vào cùng một điểm mù: agent tin vào thứ nó yêu cầu, không phải thứ nó thực sự nhận được. Plugin4Shell: ghim SHA không có nghĩa là an toàn Theo…

Source: DEV JavaScript feed BeanBean
JavaScript

Muse trên Mac: cấp quyền cho agent sửa file và gửi mail

Originally published on NextFuture Meta vừa đặt một agent vào bên trong macOS của bạn, với quyền sửa file, gửi mail và gọi thoại. Trước khi bấm nút cấp quyền, bạn cần biết chính xác nó chạm được tới đâu. Bài này bóc…

Source: DEV JavaScript feed BeanBean
JavaScript React

bro.js v3.0.0 – What’s new

Tired of flaky state leaking between tests or worrying about insecure defaults? bro.js just hit v3.0.0 and brings a bunch of practical upgrades that let you focus on code, not on runtime quirks. Edge & Web Standard…

Source: DEV JavaScript feed Yass1n
JavaScript React

What Clients Actually Expect From a Freelance Web Developer

Clients rarely hire a freelance web developer for code alone. They hire someone who can turn a business goal into a reliable website, explain trade-offs, communicate clearly, and deliver without unnecessary surprises.…

Source: DEV JavaScript feed Muhammad Arslan
JavaScript

TypeScript Tips to Write Safer, Cleaner Code: A Gandalf's Guide

The Quest Begins (The "Why") Honestly, I was knee‑deep in a refactor when TypeScript started yelling at me about “Property ‘foo’ does not exist on type ‘never’.” I stared at the screen, blinked, and wondered if I’d…

Source: DEV JavaScript feed Timevolt

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