Update LaunchChangelog.md (#3417)

Author: zoewangg

docs/LaunchChangelog.md

@@ -730,8 +730,8 @@ The parsing of the `~/.aws/config` and `~/.aws/credentials` has changed to more
 | `amazonaws.services.mq.AmazonMQClient` | `software.amazon.awssdk.services.mq.MqClient` |
 | `amazonaws.services.mturk.AmazonMTurkAsyncClient` | `software.amazon.awssdk.services.mturk.MTurkAsyncClient` |
 | `amazonaws.services.mturk.AmazonMTurkClient` | `software.amazon.awssdk.services.mturk.MTurkClient` |
-| `amazonaws.services.neptune.AmazonNeptuneAsyncClient` | Not Supported ([Request Feature](https://github.com/aws/aws-sdk-java-v2/issues/new)) |
-| `amazonaws.services.neptune.AmazonNeptuneClient` | Not Supported ([Request Feature](https://github.com/aws/aws-sdk-java-v2/issues/new)) |
+| `amazonaws.services.neptune.AmazonNeptuneAsyncClient` | `software.amazon.awssdk.services.neptune.NeptuneAsyncClient` |
+| `amazonaws.services.neptune.AmazonNeptuneClient` | `software.amazon.awssdk.services.neptune.NeptuneClient` |
 | `amazonaws.services.opsworks.AWSOpsWorksAsyncClient` | `software.amazon.awssdk.services.opsworks.OpsWorksAsyncClient` |
 | `amazonaws.services.opsworks.AWSOpsWorksClient` | `software.amazon.awssdk.services.opsworks.OpsWorksClient` |
 | `amazonaws.services.opsworkscm.AWSOpsWorksCMAsyncClient` | `software.amazon.awssdk.services.opsworkscm.OpsWorksCmAsyncClient` |
@@ -818,10 +818,10 @@ The parsing of the `~/.aws/config` and `~/.aws/credentials` has changed to more
 
 # 7. High-Level Libraries
 
-1. All high-level libraries have been removed.
-2. High-level libraries will be re-designed to match the 2.0 programming model and re-introduced over time.
+All high-level libraries will be re-designed to match the 2.0 programming model and re-introduced over time.
 
 | 1.11.x | 2.0 | Since version |
 |---|---|---|
 | DynamoDBMapper | [DynamoDbEnhancedClient](https://github.com/aws/aws-sdk-java-v2/blob/464be97535cc82a4adb2e5b9fdadd9d4ac739ef8/services-custom/dynamodb-enhanced/README.md) | 2.12.0 |
 | Waiters | [Waiters](https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/waiters.html) | 2.15.0 |
+| TransferManager | [S3TransferManager](https://github.com/aws/aws-sdk-java-v2/blob/master/services-custom/s3-transfer-manager/README.md) (Developer Preview) | 2.17.16-PREVIEW