## What's Changed * fix(server): prioritize zod issues and format them by @mozmo15 in https://github.com/modelcontextprotocol/typescript-sdk/pull/1503 * chore(ci): switch publish to OIDC trusted publishing by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/1839 * Add end-to-end test suite by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/2167 * v1 stdio buffer limit by @KKonstantinov in https://github.com/modelcontextprotocol/typescript-sdk/pull/2239 * fix: support Zod 3.25 method literals by @mattzcarey in https://github.com/modelcontextprotocol/typescript-sdk/pull/2368 * Validate Content-Type by parsed media type instead of substring match (v1.x) by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/2444 * fix: send SSE keep-alive comment frames from Streamable HTTP server transport (v1.x) by @mattzcarey in https://github.com/modelcontextprotocol/typescript-sdk/pull/2538 * fix(deps): widen @hono/node-server past GHSA-frvp-7c67-39w9 by @arimu1 in https://github.com/modelcontextprotocol/typescript-sdk/pull/2549 * Fix SSE keep-alive timer lifecycle in Streamable HTTP server transport (v1.x) by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/2547 * chore: bump version to 1.30.0 by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/2563 ## New Contributors * @mozmo15 made their first contribution in https://github.com/modelcontextprotocol/typescript-sdk/pull/1503 * @arimu1 made their first contribution in https://github.com/modelcontextprotocol/typescript-sdk/pull/2549 **Full Changelog**: https://github.com/modelcontextprotocol/typescript-sdk/compare/v1.29.0...1.30.0