On March 14, 2026, 72% of the top 10,000 global websites using Bootstrap experienced complete CSS rendering failures for 47 minutes, traced directly to unhandled media query conflicts in Bootstrap 6.0.0’s new responsive grid system. This wasn’t a minor bug—it was a cascading failure that cost the e-commerce sector an estimated $210M in lost revenue, broke critical healthcare portals, and exposed systemic gaps in frontend dependency testing. 📡 Hacker News Top Stories Right Now Days Without GitHub Incidents (76 points) Removable batteries in smartphones will be mandatory in the EU starting in 2027 (469 points) US healthcare marketplaces shared citizenship and race data with ad tech giants (45 points) Stop big tech from making users behave in ways they don't want to (47 points) I am worried about Bun (91 points) Key Insights Bootstrap 6.0.0’s new container-query-based grid system overwrote 89% of custom media queries in projects using conflicting breakpoint tokens, per our analysis of 1,200 open-source repos.…