v3.23.0

Goa v3.23.0

We are thrilled to announce Goa v3.23.0! This release brings massive performance improvements to the code generation process, speeding it up by over 80%. It also includes important updates to the DSL, improved validation logic, and support for the latest JSON Schema draft in OpenAPI.

Performance

• Massive Code Generation Speedup: The code generator has been optimized to be over 80% faster, making your development loop tighter than ever. (#3832, #3833)
• Optimized File Writes: Reduced I/O overhead during generation. (#3852)

New Features

• Absolute Mount Paths: The Files DSL now supports absolute paths using the // prefix, allowing you to mount static files at the server root regardless of API or service prefixes. (#3837)
• Method DSL Update: The Method function now returns MethodExpr, enabling more flexible DSL composition. (#3850)
• OpenAPI Update: The generated OpenAPI definitions now use JSON Schema Draft 2020-12. (#3838)

Bug Fixes

• Validation Improvements:
  • Fixed recursion guard propagation and alias type handling in validation code. (#3836)
  • Added support for non-nullable elements in ArrayOfRequired validation. (#3834)
  • Preserved underscores in validation function names to avoid naming conflicts. (#3842)
  • Fixed validation helper naming for protobuf messages. (#3844)
  • Added guards for nil elements in array transforms to prevent panics. (#3830)
• HTTP/JSON-RPC: Fixed handler argument ordering for HTTP servers hosting JSON-RPC services. (#3831)

Dependency Updates

• Updated module dependencies to their latest versions. (#3851)
• Bumped actions/checkout to v6. (#3845)
• Bumped github/codeql-action to v4. (#3818)
• Bumped actions/upload-artifact to v5. (#3829)

Contributors

A huge thank you to our contributors for this release:

• Isaac Seymour (@isaacseymour)
• Lawrence Jones (@lawrencejones)
• Raphael Simon (@raphael)