Backfill changelog entry and update javadocs (#6890)

Author: zoewangg

.changes/2.42.32.json

@@ -37,6 +37,12 @@
             "category": "Redshift Data API Service",
             "contributor": "",
             "description": "The BatchExecuteStatement API now supports named SQL parameters, enabling secure batch queries with parameterized values. This enhancement helps prevent SQL injection vulnerabilities and improves query reusability."
+        },
+        {
+            "type": "bugfix",
+            "category": "AWS CRT HTTP Client",
+            "contributor": "",
+            "description": "Rolled back enabling default connection health monitoring for CRT HTTP clients"
         }
     ]
 }

CHANGELOG.md

@@ -377,6 +377,11 @@ Special thanks to the following contributors to this release:
   - ### Features
     - The BatchExecuteStatement API now supports named SQL parameters, enabling secure batch queries with parameterized values. This enhancement helps prevent SQL injection vulnerabilities and improves query reusability.
 
+## __AWS CRT HTTP Client__
+- ### Bugfixes
+    - Rolled back enabling default connection health monitoring for CRT HTTP clients
+
+
 # __2.42.31__ __2026-04-08__
 ## __AWS Backup__
   - ### Features

http-clients/aws-crt-client/src/main/java/software/amazon/awssdk/http/crt/AwsCrtAsyncHttpClient.java

@@ -155,9 +155,7 @@ public interface Builder extends SdkAsyncHttpClient.Builder<AwsCrtAsyncHttpClien
          * then the connection is considered unhealthy and will be shut down.
          *
          * <p>
-         * If not explicitly configured, a default health configuration is applied with a minimum throughput of 1 byte per
-         * second and a throughput failure interval of 30 seconds. The failure interval is derived from the read/write timeout
-         * settings and will change if those are overridden by service specific defaults.
+         * Disabled by default.
          *
          * @param healthChecksConfiguration The health checks config to use
          * @return The builder of the method chaining.

http-clients/aws-crt-client/src/main/java/software/amazon/awssdk/http/crt/AwsCrtHttpClient.java

@@ -198,9 +198,7 @@ public interface Builder extends SdkHttpClient.Builder<AwsCrtHttpClient.Builder>
          * then the connection is considered unhealthy and will be shut down.
          *
          * <p>
-         * If not explicitly configured, a default health configuration is applied with a minimum throughput of 1 byte per
-         * second and a throughput failure interval of 30 seconds. The failure interval is derived from the read/write timeout
-         * settings and will change if those are overridden by service specific defaults.
+         * Disabled by default.
          *
          * @param healthChecksConfiguration The health checks config to use
          * @return The builder of the method chaining.