What problem is it trying to solve?
React applications often accumulate useMemo, useCallback, and memo while teams chase avoidable renders. These tools are useful, but they also make component code harder to read and depend heavily on developers maintaining correct dependency lists.
React Compiler analyzes components and data dependencies during the build. When code follows the Rules of React, it can apply memoization automatically without changing the component's public behavior.
The value is more than fewer hooks
The strongest argument for the compiler is not a smaller line count. It lets developers describe data flow directly while moving a class of repetitive optimization work into tooling.
That does not eliminate performance work. Network requests, large bundles, expensive algorithms, and poor component boundaries still require measurement and design decisions.
How I would introduce it
I would begin with a new feature or a non-critical route, record a performance baseline, and compare both runtime behavior and maintenance cost. Existing manual memoization should not be removed until the measurements show that the compiler produces equivalent results.
The team also needs lint rules and code review habits that reinforce the Rules of React. A compiler cannot safely optimize code whose behavior depends on hidden mutation or side effects during render.
Current conclusion
React Compiler is worth testing now, but it should be treated as an engineering migration rather than a switch. The useful question is not whether it is fashionable; it is whether the team can verify the result and simplify its mental model without losing control of performance.