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v1.693.0

// January 22, 2026

feat: MCP gram deployment, C# XML documentation improvements, Python duplicate serialize_ method fix for allOf open enums (#1813)

Generator changes (10)

Chores

csharp

improve XML documentation comments

Bug fixes

csharp

incorrect member getter generated for recursive unions

New features

mcp-typescript

add deployment to gram

Bug fixes

mcp-typescript

bump @cloudflare/agents to v0.3.5 to match @modelcontextprotocol/sdk

Bug fixes

mcp-typescript

bump @modelcontextprotocol/sdk to v1.25.2 to address ReDoS vulnerability (GHSA-8r9q-7v3j-jr4g)

Bug fixes

pythonv2

resolve thread-safety issues in ClientCredentialsHook causing intermittent KeyError

Bug fixes

pythonv2

prevent duplicate serialize_ methods when allOf references open enums

Bug fixes

pythonv2

always reference discriminated union members directly

Bug fixes

typescriptv2

use constants.fetchOptions for snake_case compatibility in react-query and mcp-server templates

Bug fixes

typescriptv2

Adjust react query hooks to use underlying error union instead of generic error type