BlogFlock

One of the beautiful things about software is that it’s always evolving. However, each piece carries the weight of past decisions made when it was created. Over time, quick fixes, “temporary” workarounds, and deadline compromises compound into tech debt. Like financial debt, the longer you wait to address it, the…

By Alex Hutter, Alexandre Bertails, Claire Wang, Haoyuan He, Kishore Banala, Peter Royal, Shervin Afshar

As Netflix’s offerings grow — across films, series, games, live events, and ads — so does the complexity of the systems that support it. Core business concepts like ‘actor’…

In May, we experienced three incidents that resulted in degraded performance across GitHub services.

May 1 22:09 UTC (lasting 1 hour and 4 minutes)

On May 1, 2025, from 22:09 UTC to 23:13 UTC, the Issues service was degraded and users weren’t able to upload attachments. The root cause was…

In my spare time I enjoy building Gundam models, which are model kits to build iconic mechas from the Gundam universe. You might be wondering what this has to do with software engineering. Product engineers can be seen as the engineers who take these kits and build the Gundam itself.…

Welcome to the next episode in our GitHub for Beginners series, where we’re diving into the world of GitHub Copilot. This is our eighth and final episode, and it’s been quite a journey. We’ve covered a lot of different topics showcasing the power of GitHub Copilot, and you can…

You’ve used GitHub Copilot to help you write code in your IDE. Now, imagine assigning Copilot an issue, just like you would a teammate—and getting a fully tested pull request in return. 

That’s the power of the new coding agent in GitHub Copilot. Built directly into GitHub, this agent…

Software development has always started with a conversation: What problem are we solving, why does it matter, and what does “finished” look like?

On GitHub, that conversation crystallizes in an issue. No matter what tools you’re using or who you’re working with, a well-designed issue still sets the agenda…

We just launched season three of the GitHub Secure Code Game, and this time we’re putting you face to face with the security risks introduced by artificial intelligence. Get ready to learn by doing and have fun doing it! First, you’ll step into the shoes of an adversary crafting malicious…

My colleague Kevin Stubbs mentioned the topic of DNS rebinding attacks in a  previous blog post. No worries if you haven’t read it yet though—in this article, we’ll walk you through the concept of DNS rebinding from scratch, demystify how it works, and explore why it’s a serious browser-based security…