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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.

01 Sep 2026 edition

119 articles · 20 sources · 4 papers ·

Top topics: Python · JavaScript · Django

Python AI Django

Claude Fable 5.1 made me a really nice animated pelican

Today is Claude Fable (and Mythos) 5.1 day. Anthropic say that Fable 5.1 "sets a new standard for coding, knowledge work, and long-running problem-solving tasks". Their announcement spends a notable amount of time on…

Source: Simon Willison's Weblog
Python AI Django

Codex bundles LibreOffice

I was poking around in my ~/.cache/ folder using OmniDiskSweeper when I spotted something interesting. The OpenAI Codex desktop app (since rebranded to just ChatGPT) has 1.7GB of stuff in there in a folder called…

Source: Simon Willison's Weblog
Python AI Django

GeoJSON Map Viewer

Tool: GeoJSON Map Viewer I was helping Natalie gather some maps of local political boundaries (for the Granada Community Services District and the Midcoast Community Council) and found a need to display some GeoJSON…

Source: Simon Willison's Weblog
Rust

Why the `unreachable!()` can't be optimized away?

type Arg = Vec<u8>; #[unsafe(no_mangle)] fn test(this: &mut Option<Arg>, arg: Arg) { *this = Some(arg); let Some(arg) = this else { unreachable!() }; black_box(arg); } With rust v1.98.0, its assembly: test: pushq %r14…

Source: Rust Users Forum TauYip
Python AI Django

Quoting Tarn Adams

They took the letters from me! I have to talk about dwarf behavior now. I can't even talk about dwarf AI. It doesn't exist. It's dwarf behavior, and they misbehave sometimes — Tarn Adams, co-creator of Dwarf Fortress…

Source: Simon Willison's Weblog
Python AI Django

datasette-mcp 0.2

Release: datasette-mcp 0.2 "rows" from execute_sql is now an array of objects. Previously it was an array of arrays. This should help weaker models avoid losing track of which positional array element maps to which…

Source: Simon Willison's Weblog
Python AI Django

Python 3.15.0 candidate 2 is here!

Python 3.15.0 candidate 2 is here! Hugo van Kemenade (release manager for Python 3.14 and 3.15) announces the final release candidate for Python 3.15, scheduled for release in October: Entering the release candidate…

Source: Simon Willison's Weblog
Python

The 2026 PSF Board Election is Open!

It’s time to cast your vote! Voting for the 2026 PSF Board Election is open starting today Tuesday, September 1st, 2:00 pm UTC, through Tuesday, September 15th, 2:00 pm UTC. How to Vote If you are a voting member of the…

Source: Python Software Foundation Blog Marie Nordin (noreply@blogger.com)
Python

Inaugural Python Packaging Council Election: Voting is now open!

It’s time to cast your vote! Voting for the inaugural 2026 Python Packaging Council (PPC) Election is open now through September 15 at 2:00 pm UTC. Find Your Ballot If you are a voting member of the PSF who affirmed…

Source: Python Software Foundation Blog Deb Nicholson (noreply@blogger.com)
Java

The Grails Plugin Has a New Home: Apache Grails

The Grails plugin for IntelliJ IDEA (which provides framework-aware coding assistance, GSP tooling, and GORM integration) has moved to the Apache Grails project. The Apache Software Foundation (ASF), which already…

Source: IntelliJ IDEA Blog Andrey Belyaev
Rust

What's wrong with this line and why?

fn main() { let name = String::from("hello"); let (name, len) = calc_len(name); println!("{name} : {len}"); } fn calc_len(name:String)->(String,usize) { (name,name.len()) // this one ???? } 7 posts - 5 participants Read…

Source: Rust Users Forum dvine
Rust

Illegal impl block

Can anyone explain why this impl is not allowed? I am trying to make it so I can call functions on my arrays and not have to iterate over it to call functions on the elements of the array. type Bufs<const N: usize> =…

Source: Rust Users Forum Directflare
Java

This Week in Spring - September 1st, 2026

Hi, Spring fans! Welcome to another exciting installment of This Week in Spring! I'm writing this from lovely Oslo, Norway, for the joyous JavaZone conference. Next, I'm going to Amsterdam for the interesting IntelliJ…

Source: Spring Blog joshlong
Rust

Announcing rustup 1.29.1

The rustup team is happy to announce the release of rustup version 1.29.1. Rustup is the recommended tool to install Rust, a programming language that empowers everyone to build reliable and efficient software. What's…

Source: Rust Blog The Rustup Team
JavaScript

JSONPath Cheat Sheet: Syntax, Examples & Common Mistakes

JSONPath looks simple until you actually need a filter, a slice, or a recursive match - then the handful of symbols that looked obvious start behaving unpredictably. This is a complete reference: every operator with a…

Source: DEV JavaScript feed Souvik Pramanik
JavaScript

The Security Fix That Would Have Silently Broken My Feature

I recently shipped Mermaid diagram support to Forem, the open source platform that powers DEV. Fenced mermaid code blocks now render as actual diagrams instead of plain highlighted source. Which means this renders,…

Source: DEV JavaScript feed Abd El-latif
JavaScript

Why Axios Still Matters in Modern Node.js and Browser Stacks

Axios has gained another 7 stars today, a small signal that this promise-based HTTP client remains relevant across browser applications, Node.js services, and internal platform tooling. Its appeal is straightforward: a…

Source: DEV JavaScript feed James LIN
JavaScript

AI gateway: khi nào cần và nên tự host hay dùng managed

Originally published on NextFuture App của bạn đang gọi thẳng ba, bốn provider model từ trong code. Mỗi provider một SDK, một bộ API key rải rác, và khi một bên rate-limit thì bạn sửa code để đổi đường. Một bài tổng hợp…

Source: DEV JavaScript feed BeanBean

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