add CHANGELOG

CHANGELOG.md

@@ -139,6 +139,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix bulk API ignores ingest pipeline for upsert ([#12883](https://github.com/opensearch-project/OpenSearch/pull/12883))
 - Fix issue with feature flags where default value may not be honored ([#12849](https://github.com/opensearch-project/OpenSearch/pull/12849))
 - Fix UOE While building Exists query for nested search_as_you_type field ([#12048](https://github.com/opensearch-project/OpenSearch/pull/12048))
+- Fix implement mark() and markSupported() in class FilterStreamInput ([#13098](https://github.com/opensearch-project/OpenSearch/pull/13098))
 
 ### Security
 

libs/core/src/test/java/org/opensearch/core/common/io/stream/FilterStreamInputTests.java

@@ -14,6 +14,8 @@
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
+import static org.hamcrest.Matchers.is;
+
 /** test the FilterStreamInput using the same BaseStreamTests */
 public class FilterStreamInputTests extends BaseStreamTests {
     @Override
@@ -34,6 +36,7 @@ public void testMarkAndReset() throws IOException {
         BytesReference bytesReference = BytesReference.fromByteBuffer(buffer);
         StreamInput streamInput = filterStreamInputTests.getStreamInput(bytesReference);
         streamInput.read();
+        assertThat(streamInput.markSupported(), is(true));
         streamInput.mark(-1);
         int int1 = streamInput.read();
         int int2 = streamInput.read();