Improving site performance by shipping more CSS
How we fully migrated github.com away from CSS-in-JS. The post Improving site performance by shipping more CSS appeared first on The GitHub Blog.
github
Introducing the new Copilot with Home, Code and Autopilot
We’re reimagining Microsoft Copilot to enable work as it evolves and to help expand what every individual and every organization can accomplish in the flow of human ambition. Today we’re introducing the new Copilot to connect the tools people rely on with the next generation of capabilities they’ll need to build, customize and scale AI……
Compromised GitHub Actions Came Back Online and Resumed Executing Mini Shai-Hulud Malware
Two actions-cool GitHub Actions have been disabled for a second time after the repositories became accessible last week, months after they were compromised during the May 2026 Mini Shai-Hulud campaign. The affected GitHub Actions are listed below – actions-cool/issues-helper actions-cool/maintain-one-comment Visiting either of the repositories now shows the message: “Access to this
Microsoft’s new Copilot signals a shift in their AI strategy for Windows & enterprise. Are we past the gimmick phase?
Microsoft’s new Copilot isn’t just a UI refresh — it represents a major shift in how the company wants AI to function across Windows. The assistant is being unified, simplified, and repositioned as the core of Microsoft’s long‑term AI strategy.
Build a Multi-Model AI Router: Fallback in 13 Steps [2026]
Four major AI labs shipped new flagship models inside the same three-week window this September: OpenAI’s GPT-6 Astra, Anthropic’s Claude Fable 5.1 (and the access-restricted Claude Mythos 5.1), Google’s Gemini 3.8 Flash, and DeepSeek’s open-weight V4.1 Flash. That pace is exactly why a growing number of engineering teams stopped hardcoding a single provider into their…
Cassandra vs DynamoDB vs Cosmos DB: $0 vs $0.625 Gap [2026]
Three NoSQL databases now anchor most large-scale cloud applications, and picking the wrong one is an expensive mistake to unwind later. Apache Cassandra, Amazon DynamoDB, and Azure Cosmos DB all promise horizontal scale and high availability, but they get there through very different architectures, pricing models, and operational trade-offs. Cassandra shipped its 5.0 general-availability release…
When chat is the wrong UI
What is a developer to do when they need something more tangible than a chat box? Enter canvases. The post When chat is the wrong UI appeared first on The GitHub Blog.
AI-powered fuzzing with the GitHub Security Lab Taskflow Agent
In this blog post, I explain how to use the new fuzzing taskflow based on the GitHub Security Lab Taskflow Agent AI framework. The post AI-powered fuzzing with the GitHub Security Lab Taskflow Agent appeared first on The GitHub Blog.
Gameye Game Server Setup: Deploy Docker in 15 Steps [2026]
Multiplayer studios have spent the past year watching their game-server hosting options shift under their feet. Hathora, once a popular pick for indie and mid-size teams, announced in March 2026 that it was joining Fireworks AI and would wind down game hosting entirely by May 5, 2026, pushing customers toward Nitrado’s GameFabric. That shakeup left…
How to Set Up Dark Web Monitoring: 13 Steps, 90 Min [2026]
Have I Been Pwned now tracks 1,038 breaches and roughly 17.8 billion pwned accounts, and the site added two new incidents in the week before this article was written: a 17.8 million-record LimeLeads leak on September 22, 2026, and a 4.7 million-record Chess.com breach dated August 2026. Most people find out their credentials are circulating…