---
title: Changelog
description: What changed in the Cascades API, webhooks, MCP server and docs, newest first.
canonical_url: "https://cascades.crscreditapi.com/docs/changelog"
doc_version: "1.0.0"
last_updated: "2026-09-23T19:55:02Z"
---

# Changelog

## 2026-09-09 — [Developer docs, OpenAPI operation ids and machine-readable twins](https://cascades.crscreditapi.com/docs/changelog/2026-09-09-docs-platform.md)

New /docs site generated from the OpenAPI spec, operationIds on every operation, x-scopes and x-webhooks in the spec, markdown twins and llms.txt.

## 2026-09-04 — [List a cascade's registered test-case subjects](https://cascades.crscreditapi.com/docs/changelog/2026-09-04-test-cases-endpoint.md)

GET /workflows/{id}/test_cases returns the sandbox subjects registered for a cascade's products, each with a payload ready for trigger.

## Sitemap

See the full [sitemap](https://cascades.crscreditapi.com/sitemap.md) for all pages.