Release v5.0.0

[developerkunal]

Important: v5.0.0 is now the stable release.
It introduces breaking changes, particularly in the Management API client.
Please review the v5 Migration Guide for detailed upgrade instructions.

💥 Breaking Changes

Node.js Version Support

• The SDK now requires Node.js ^20.19.0, ^22.12.0, or ^24.0.0.
• Support for earlier Node.js versions has been dropped.

Management API Client Redesign

• The Management API client has been fully restructured using Fern for code generation.
• Methods are now organized into modular sub-clients, improving structure and maintainability.
• Method names and signatures have changed, adopting consistent and predictable naming conventions.
• These changes are not backward compatible with the v4.x client.

✨ Highlights

• General Availability: v5 graduates from beta and is now the stable release.
• Complete rewrite of the Management API client using Fern code generation.
• Stronger TypeScript support with standardized error handling and improved developer ergonomics.
• Modular sub-client architecture for better API discoverability and consistency.
• The Authentication API client remains fully compatible — no breaking changes.
• Optional v4.x-compatible legacy client available via auth0/legacy.
• Introduced modern package exports with support for both CommonJS and ESM.
• Updated minimum Node.js requirement as noted above.

📘 Migration Guide: v5_MIGRATION_GUIDE.md

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