This week in AI updates: GPT-5.3-Codex-Spark, GitHub Agentic Workflows, and more (February 13, 2026)This week in AI updates: GPT-5.3-Codex-Spark, GitHub Agentic Workflows, and ...

GPT-5.3-Codex-Spark is a lightweight version of the company’s coding model, GPT-5.3-Codex, that is optimized to run on ultra-low latency hardware and can deliver over 1,000 tokens per second.
InfoWorld

Visual Studio adds GitHub Copilot unit testing for C#

GitHub Copilot testing for .NET in Visual Studio 2026 v18.3 can generate tests for the xUnit, NUnit, and MSTest test frameworks.
InfoWorld

GitHub previews support for Claude and Codex coding agents

Copilot Pro+ and Copilot Enterprise users now can run multiple coding agents directly inside GitHub, GitHub Mobile, and ...
Krebs on Security

Patch Tuesday, February 2026 Edition

The zero-day flaw CVE-2026-21513 is a security bypass bug targeting MSHTML, the proprietary engine of the default Web browser in Windows. CVE-2026-21514 is a related security feature bypass in ...
Microsoft

Copilot Studio agent security: Top 10 risks you can detect and prevent

Copilot Studio agents are increasingly powerful. With that power comes risk: small misconfigurations, over‑broad sharing, unauthenticated access, and weak orchestration controls can create real ...