In today's 2-Minute Tech Briefing, a Windows 11 update broke localhost functionality, disrupting developer workflows just as Windows 10 support ended. Nvidia’s long-awaited DGX Spark “personal AI supercomputer” finally launched but sold out immediately due to massive demand. Meanwhile, F5 Networks confirmed a breach of BIG-IP source code, prompting urgent patch directives from U.S. cybersecurity officials.