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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.

22 Jun 2026 edition
Rust GitHub

actix/actix-web: actix-http: v3.13.1

3.13.1 Fix HTTP/1 WebSocket upgrade responses being overwritten with Connection: close when the upgraded request payload remains open. #4115

Source: Actix Web Releases JohnTitor
Rust GitHub

rust-lang/rust-analyzer: 2026-06-22

Commit: 69ccffd Release: 2026-06-22 (v0.3.2946) New Features #22103 add "Create Rust project" command: 588125554-92a3f6a0-7d25-4dea-9d46-a58430c63f86.mov Performance Improvements #22615 don't load unnecessary path…

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

Codex-maxxing for long-running work

Learn how Jason Liu uses Codex to preserve context, manage complex projects, and help work continue beyond a single prompt.

Source: OpenAI Blog
DevOps

Neo code reviews: AI code review built for infrastructure

Today we’re introducing Pulumi Neo code reviews, now in public preview. Neo code reviews analyze pull request changes in conjunction with what Pulumi Cloud knows about your running infrastructure, providing both…

Source: Pulumi Blog Pulumi Neo Team
Python

Write a coding agent from first principles

Learn how to write a coding agent in this Python tutorial that teaches how to interact with an LLM through an API, how to manage the conversation context, and how to do tool calling. Introduction This tutorial will show…

Source: mathspp

Astro 7.0

Astro 7.0 brings faster builds with Vite 8, a new Rust compiler, Advanced Routing, background dev server support, and structured logging.

Source: Astro Blog