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The Code Brew's Weekly Newsletter - Week 7

Welcome to your weekly serving from The Code Brew! The two biggest stories are the launch of the React Foundation and a critical security flaw in GitHub Copilot named CamoLeak. In the .NET world, we're looking at the future with .NET 10's GC, plus practical tips on using CancellationTokens and improving API errors. This edition is also packed with changelogs from Vercel, a retrospective on 20 years of Git, and fascinating discussions from Hacker News, including the cautionary tale of a data center fire with no backups.

This Week’s Favourites

Introducing the React Foundation - React Blog

Shift left on x - Ploeh Blog

CamoLeak: Critical GitHub Copilot Vulnerability Leaks Private Source Code - Legit Security Blog

Dotnet, C#, Azure

Preparing for the .NET 10 GC (DATAS) - Microsoft Dotnet Blog

September 2025 (version 1.105) - Visual Studio

Marten 8.12 with New Plumbing - Jeremy D. Miller Blog

Developer and AI Code Reviewer: Reviewing AI-Generated Code in .NET - Microsoft Dotnet Blog

Use CancellationTokens - Steven Giesel blog

How to Configure Multi-Pool P2S VPN Using Azure VWAN - Cloudtips blog

Using Stored Procedures and Functions With EF Core and PostgreSQL - Milan Jovanovic Blog

How to Find an Available Network Port for a server in .NET - Meziantou Blog

Misc

Court Injunctions are the Thoughts and Prayers of Data Breach Response - Troy Hunt Blog

Your API Errors Suck (Here’s How to Fix Them) - Code Opinion

GitHub Availability Report: September 2025 - Github Blog

20 Years of Git, 2 days at GitHub HQ: Git Merge 2025 highlights 🎉 - Github Blog

Create a full-stack app with AI - Builder.io Blog

Block Vercel deployment promotions with Github Actions - Vercel blog

ChatGPT apps support on Vercel - Vercel blog

Server rendering benchmarks: Fluid Compute and Cloudflare Workers - Vercel blog

Build a buttery scroll reveal like WAC with GSAP - Builder.io Blog

Completing urgent fixes anywhere with GitHub Copilot coding agent and mobile - Github Blog

How we found a bug in Go’s arm64 compiler - Cloudflare blog

New Domains Registrar API for domain search, pricing, purchase, and management - Vercel blog

Anomaly alerts now available via email - Vercel blog

How a top bug bounty researcher got their start in security - Github Blog

v2.12.7 - NitroJS GitHub Release

Weekly Update 472 - Troy Hunt Blog

Getting Creative With shape-outside - CSS Tricks Blog

The developer role is evolving. Here’s how to stay ahead. - Github Blog

Build buttery smooth carousels with pure CSS like Nike - Builder.io Blog

Python package manager uv is now available for builds with zero configuration - Vercel blog

Invalidate the CDN cache by tag - Vercel blog

YouTube Videos

dotnet outdated is awesome - Nick Chapsas Youtube

Use Exit codes in consoles - Nick Chapsas Youtube

Reusing HttpClient is bad - Nick Chapsas Youtube

Why Startups Don’t Use .NET and C# - Nick Chapsas Youtube

Connect Clouds in Azure, AWS, GCP and More Together with Hybrid Cloud Networking - John Savill Youtube

Enum Flags are awesome in C# - Nick Chapsas Youtube

Azure Update - 3rd October 2025 - John Savill Youtube

dotnet new gitignore is awesome - Nick Chapsas Youtube

HackerNews Posts

We found a bug in Go’s ARM64 compiler - Hacker news

Gemini 2.5 Computer Use model - Hacker news

Apps SDK - Hacker news

Fire destroys S. Korean government’s cloud storage system, no backups available - Hacker news

ProofOfThought: LLM-based reasoning using Z3 theorem proving - Hacker news

Offline card payments should be possible no later than 1 July 2026 - Hacker news

Signal Protocol and Post-Quantum Ratchets - Hacker news