KPL 0.x is reaching end of life. From the KPL README:

KPL 0.x will be entering maintenance mode and will receive no further updates beyond critical security patches.

KPL 1.x migrates from AWS SDK for Java v1 to v2 (migration guide).

Changes required

• GroupId: com.amazonaws → software.amazon.kinesis
• Version: 0.15.8 → 1.0.7 (latest)
• Imports: com.amazonaws.services.kinesis.producer.* → software.amazon.kinesis.producer.*
• Exclusions: ion-java exclusion can be removed (no longer needed in 1.x)

Related

• Completely remove AWS Java SDK v1 #500 (Remove AWS Java SDK v1)
• [Java] Upgrade Kinesis Producer Library from 0.x to 1.x #508 (PR)