This article discusses the difference between Dynamics 365 Business Central AppSource extensions and per-tenant extensions (PTEs). AppSource apps are published in the Microsoft AppSource marketplace and installed in the global scope, while PTEs are created by partners as customizations for specific environments. The article explains that AppSource apps share assemblies and metadata across environments, resulting in faster load times and lower memory usage. On the other hand, PTEs have duplicated assemblies and metadata within the tenant, leading to higher memory usage and increased startup overhead. The article concludes that distributing extensions via AppSource is a better choice for distributing to multiple customers and environments.
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