> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 4.11.0 **`(fix):`** Fix URL building for paths with non-slash-separated suffixes (e.g., `/{Sid}.json`). The suffix is now correctly concatenated with the path parameter value instead of being added as a separate path segment, which previously caused an extra `/` before the suffix. **`(feat):`** Add per-request `maxRetries` override on `RequestOptions`. A non-null per-request value overrides the client-wide `ClientOptions.maxRetries`; when unset, behavior is unchanged. Mirrors the existing per-request `timeout` override pattern and matches the behavior of the TypeScript, Python, Go, C#, PHP, Rust, and Swift SDKs.