> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 0.35.3 **`(fix):`** Fix Swift wire-test runtime equality failures when a response body contains a map (`Dictionary`) whose value is an explicit-null nullable, or an `Optional>` field whose example is explicit-null. Previously the generator embedded the IR's `jsonExample` for the response body, which silently dropped keys whose value resolved to JS `undefined` (e.g. an unresolved `nullable`), and the expected-struct generator filtered optional properties using the same `jsonExample === undefined` check, which matched both "truly absent" and "explicit-null nullable" examples. The wire- test JSON body is now built by walking the typed example shape directly, and the expected-struct generator skips a property only when the typed `optional` container is genuinely empty — so an explicit-null nullable inside an optional now renders as `Optional(.null)` in both the embedded JSON body and the expected struct. ## 0.35.2 **`(chore):`** Update the Swift SDK generator container base image from `node:22.12-alpine3.20` to `node:22.22-alpine3.22` to address 92 container vulnerabilities (3 Critical, 48 High, 30 Medium, 11 Low) reported by Grype. The bump pulls in newer Alpine packages (libcrypto3/libssl3, musl, busybox, zlib), Node.js 22.22.x, and the bundled npm transitive dependencies (cross-spawn, minimatch, glob, tar, brace-expansion, ip-address, diff).