Update changelogs from fern repo (#4373)

Co-authored-by: davidkonigsberg <72822263+davidkonigsberg@users.noreply.github.com>

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2023-08-01.mdx

@@ -5,9 +5,9 @@
     properties:
       typesReferencedOnlyByService:
         docs: "Types referenced by exactly one service."
-        type: ``map<commons.ServiceId, list<commons.TypeId>>``
+        type: `map<commons.ServiceId, list<commons.TypeId>>`
       sharedTypes:
         docs: "Types referenced by either zero or multiple services."
-        type: ``list<commons.TypeId>``
+        type: `list<commons.TypeId>`
 ```
 

fern/products/cli-api-reference/cli-changelog/2024-09-04.mdx

@@ -48,13 +48,13 @@ use them in alias declarations to minimize code duplication:
 
 ```yml
 types:
-  ``GenericTest<T>``:
+  `GenericTest<T>`:
     properties:
       value: T
       other-value: string
 
   GenericApplication:
-    type: ``GenericTest<string>``
+    type: `GenericTest<string>`
 ```
 
 More information can be found here: https://buildwithfern.com/learn/api-definition/fern/types#generics.

fern/products/cli-api-reference/cli-changelog/2025-01-14.mdx

@@ -24,7 +24,7 @@ types:
   User:
     properties:
       name: string
-      email: ``nullable<string>``
+      email: `nullable<string>`
 ```
 
 

fern/products/cli-api-reference/cli-changelog/2025-08-14.mdx

@@ -40,9 +40,9 @@ service:
       request:
         body:
           properties:
-            author: ``optional<string>``
-            tags: ``optional<list<string>>``
-            title: ``optional<string>``
+            author: `optional<string>`
+            tags: `optional<list<string>>`
+            title: `optional<string>`
         content-type: application/json
         name: UploadDocumentRequest
         ...

fern/products/sdks/overview/csharp/changelog/2026-01-15.mdx

@@ -24,13 +24,13 @@ var request2 = new UpdateUserRequest { Name = "John" };
 var request3 = new UpdateUserRequest { Name = null };
 ```
 
-The ``Optional<T>`` type includes:
+The `Optional<T>` type includes:
 * `IsDefined` property to check if a value is set
 * `Value` property to access the value (throws if undefined)
 * `TryGetValue` method for safe value access
 * Implicit conversion operators for ergonomic usage
 * Full JSON serialization support
-* ``IEquatable<Optional<T>>`` implementation for proper equality checks
+* `IEquatable<Optional<T>>` implementation for proper equality checks
 
 
 **`(fix):`** Fix query parameter serialization to properly handle nullable struct types (DateTime?, DateOnly?, etc.) by adding `.Value` accessor when needed.

fern/products/sdks/overview/csharp/changelog/2026-01-20.mdx

@@ -29,14 +29,14 @@ var contentLength = headers.ContentLength;
 ```
 
 New types:
-* ``WithRawResponseTask<T>`` - Awaitable task wrapper supporting both usage patterns
-* ``WithRawResponse<T>`` - Container for data + raw response metadata
+* `WithRawResponseTask<T>` - Awaitable task wrapper supporting both usage patterns
+* `WithRawResponse<T>` - Container for data + raw response metadata
 * `RawResponse` - HTTP response metadata (status code, headers, URL)
 * `ResponseHeaders` - Case-insensitive header collection with enumeration support
 
 Benefits:
 * Zero overhead when raw response access isn't needed
-* Backward compatible - implicit conversion to ``Task<T>`` supported
+* Backward compatible - implicit conversion to `Task<T>` supported
 * Type-safe access to HTTP metadata when debugging or logging
 * Case-insensitive header lookups following HTTP standards
 

fern/products/sdks/overview/java/changelog/2024-06-13.mdx

@@ -35,7 +35,7 @@ service:
       response: ListUsersResponse
 ```
 
-The generated ``SyncPagingIterable<User>`` can then be used to traverse through the `User` objects:
+The generated `SyncPagingIterable<User>` can then be used to traverse through the `User` objects:
 
 ```java
 for (User user : client.users.list(...)) {

fern/products/sdks/overview/java/changelog/2026-03-18.mdx

@@ -41,7 +41,7 @@ try-with-resources, calling `disconnect()` automatically on scope exit.
 lets callers tune max retries, backoff delay, and queue size before
 calling `connect()`.
 
-**Generic `onMessage(`Consumer<String>`)` handler** — fires for every
+**Generic `onMessage(Consumer<String>)` handler** — fires for every
 incoming text frame with the raw JSON string, before type-specific
 dispatch. Useful for logging or custom routing.