Release Notes

This document outlines new features introduced in major Hydra releases and outlines migration steps. For more details see CHANGELOG

v4

The focus of Hydra v4 release is on improving the overall dev UX and performance. Hydra projects now enjoy a flat and intuitive structure as seen in hydra template project.

It is now possible to extend the generated queries by adding custom models and query resolvers to server-extension folder in the project root.

Migration from v3 is straightforward: clone hydra-template and drop in your schema and mappings to the corresponding locations. Then follow the steps in README.md, and all is set.

Other notable features:

• Native TS support for mappings. No time wasted on transpiling

• Optimized and more performant Indexer and Indexer Gateways. Data fetching is up to 10x faster

• More resilient data fetching by the processor

• Generated query node performance improvements and bugfixes: JSON entity fields, pagination, entity Relations filtering