Twelve explained choices about server/client transfer, cache scope, mutations, and streaming. Choose an answer, check its reason, and revisit the matching boundary when the result is wrong.
Related lessons
Next.js App Router Delivery Boundaries; Next.js Server and Client Component Data Boundary; Next.js Cache Scope and Private Read Invalidation; Next.js Server Functions, Validation, and Operation Identity; Next.js Streaming, Suspense, and Error Recovery; Project: Next.js permit delivery and cache boundary.