HxBit

Macro-generated serialization code adds to the final binary size, which can be a drawback for projects with strict memory or download constraints, as mentioned in the comparison section.

Changes to mutable structures like arrays or maps trigger sending of the entire content over the network, not incremental updates, potentially wasting bandwidth in data-heavy apps.

Networking requires implementing a custom NetworkHost (e.g., SocketHost for Heaps) and managing object lifecycles, adding initial development overhead compared to drop-in solutions.

Unsupported types require custom implementation via customSerialize and customUnserialize methods, adding boilerplate and potential for errors.