Industry reporting on backend architecture trends heading into 2026 points to a notable reversal: a meaningful share of organizations that adopted microservices in the past several years are now consolidating some of those services back into larger, more cohesive deployable units, commonly described as modular monoliths, specifically to reduce the operational complexity and overhead that a fully decomposed microservices architecture imposes. This is not a rejection of the underlying ideas behind microservices, clear module boundaries, independent testability, separation of concerns, so much as a rejection of paying the full operational cost of network calls, distributed tracing, service discovery, and independent deployment pipelines for every single one of those boundaries, when a well-structured monolith can preserve most of the same internal boundaries as module boundaries within a single deployable process. The pattern tracks with a broader maturation away from the binary "microservices are strictly better" thinking that dominated architecture conversations for much of the last decade, toward a more context-aware default: teams are increasingly asking which specific services actually need independent scaling, independent deployment cadence, or organizational isolation between teams, and defaulting the rest into shared modules rather than assuming decomposition is free. For engineering teams currently mid-migration toward microservices, or evaluating whether to start one, the practical lesson is to treat each proposed service boundary as needing its own justification, tied to a genuine scaling, ownership, or deployment-cadence need, rather than decomposing by default on the assumption that more services inherently means better architecture; the operational tax of a distributed system is real and compounds with every additional service, and plenty of teams are now paying down that tax by merging services back together.