A lot of frontend discussions still frame Signals as purely a performance optimization. But honestly, the bigger impact on modern JavaScript frameworks is architectural. Signals let frameworks update only the exact reactive dependency that changed instead of re-running entire component trees. That becomes extremely valuable in: dashboards enterprise apps analytics platforms real-time interfaces large-scale frontend systems Frameworks like SolidJS pushed fine-grained reactivity into the spotlight, but now the entire ecosystem is moving toward more granular rendering patterns. Even frameworks that don’t fully adopt Signals are evolving toward: selective rendering async-first updates dependency tracking fine-grained reactivity This also aligns surprisingly well with AI-assisted development because explicit reactive relationships are easier for AI systems to understand and generate consistently. For enterprise applications, predictable rendering matters even more.…