generated: '2026-09-15' method: searched source: https://docs.apimatic.io/changelog/ feeds: json: https://docs.apimatic.io/changelog/feed.json rss: https://docs.apimatic.io/changelog/rss.xml atom: https://docs.apimatic.io/changelog/atom.xml scheme: dated-entries note: >- A dated, tagged, machine-readable changelog with three feed serialisations. Entries describe the APIMatic PLATFORM and the SDKs it generates; the Platform API itself carries no released version number, so there is no "current version" to record. Recent window only — the feed holds the full history. current_version: null entries: - date: '2026-08-27' title: Generate and Publish Context Plugins from the APIMatic CLI url: https://docs.apimatic.io/changelog/generate-and-publish-context-plugins-from-the-cli tags: [CLI, New Feature, AI] breaking: false additions: ["apimatic plugin generate", "apimatic plugin publish"] - date: '2026-07-20' title: Schema Constraint Attributes and Constraint-Aware AnyOf in C# v4 SDKs (Beta) url: https://docs.apimatic.io/changelog/added-schema-constraints-in-csharp-v4 tags: [New Feature, SDKs, 'C#'] breaking: false - date: '2026-07-13' title: Server-Sent Events (SSE) Streaming in TypeScript SDKs url: https://docs.apimatic.io/changelog/added-server-sent-events-streaming-in-typescript tags: [New Feature, SDKs, TypeScript] breaking: false - date: '2026-07-10' title: Pagination Support in C# v4 SDKs (Beta) url: https://docs.apimatic.io/changelog/added-pagination-support-in-csharp-v4 tags: [New Feature, SDKs, 'C#'] breaking: false highlights: [Offset, Page, Cursor, Link] - date: '2026-07-10' title: SDK Identification Headers and Automatic Idempotency Keys in C# v4 SDKs (Beta) url: https://docs.apimatic.io/changelog/added-sdk-identification-headers-and-idempotency-key-in-csharp-v4 tags: [New Feature, SDKs, 'C#'] breaking: false note: >- Generated C# v4 SDKs send X-APIMatic-* identification headers and attach a retry-safe idempotency key on non-GET requests. This is a property of the SDKs APIMatic generates, not of APIMatic's own Platform API. - date: '2026-06-19' title: Reimagined API Copilot, Plus the New API Copilot Home (Beta) url: https://docs.apimatic.io/changelog/api-copilot-home tags: [Improvement, Developer Portal, API Copilot] breaking: false - date: '2026-06-19' title: Major Improvements to the C# v4 SDK (Beta) url: https://docs.apimatic.io/changelog/major-improvements-csharp-v4-sdk tags: [Improvement, 'C#', SDKs] breaking: false - date: '2026-06-19' title: Enable Context Plugins Without SDK Publishing url: https://docs.apimatic.io/changelog/self-hosted-sdk-support-in-ai-coding-tools tags: [AI, SDKs, Developer Portal, New Feature] breaking: false - date: '2026-06-17' title: Bring Your API Into Every Developer's AI Coding Tool url: https://docs.apimatic.io/changelog/ai-assisted-integration-tab tags: [AI, Developer Portal, Improvement] breaking: false note: The change that introduced the per-portal hosted MCP endpoint recorded in mcp/apimatic-mcp.yml. - date: '2026-06-15' title: Idiomatic Code Samples for Models, Enums, and Errors url: https://docs.apimatic.io/changelog/ai-ready-sdks-and-model-page-code-samples tags: [Enhancement, SDKs, Developer Portal, Code Samples, AI] breaking: false - date: '2026-05-18' title: AI Assist Menu for Instant Documentation Context url: https://docs.apimatic.io/changelog/ai-assist-menu tags: [New Feature, Developer Portal] breaking: false - date: '2026-05-15' title: New C# SDK Now Available in Beta url: https://docs.apimatic.io/changelog/added-csharp-sdk-v4-beta tags: [CLI, SDKs, 'C#', Feature] breaking: false - date: '2026-05-14' title: New Validation Rules for API Entity Names Exceeding 100 Characters url: https://docs.apimatic.io/changelog/added-max-name-length-validation-rules tags: [New Feature, Validation, Linting] breaking: false note: >- Error-severity rule — an existing API entity whose name exceeds 100 characters now fails validation. The closest thing to a breaking change in the recent window. - date: '2026-05-14' title: Custom URL Slugs in Developer Portals url: https://docs.apimatic.io/changelog/added-support-for-slug-in-toc tags: [Developer Portal, New Feature] breaking: false - date: '2026-05-14' title: Revamped LLM Context Files and Per-Page Markdown Exports url: https://docs.apimatic.io/changelog/revamped-llm-context-files-and-added-per-page-markdown-exports tags: [Enhancement, Developer Portal, AI] breaking: false - date: '2026-04-27' title: 'CLI: New SDK Publish and Publishing Profile List Commands' url: https://docs.apimatic.io/changelog/cli-sdk-publish-and-publishing-profile-list tags: [CLI, SDKs, SDK Publishing] breaking: false maintainers: - FN: Kin Lane email: kin@apievangelist.com