Amazon Kinesis Shopper Library (KCL) 1.x and Amazon Kinesis Producer Library (KPL) 0.x will attain end-of-support on January 30, 2026. Accordingly, these variations will enter upkeep mode on April 17, 2025. Throughout upkeep mode, AWS will present updates just for essential bug fixes and safety points. Main variations in upkeep mode won’t obtain updates for brand new options or characteristic enhancements.
KCL is a software program library that simplifies constructing functions to course of streaming knowledge from Amazon Kinesis Information Streams. KCL handles complicated duties equivalent to load balancing throughout a number of shopper employees, responding to employee failures, checkpointing processed information, and adapting to throughput adjustments.
KPL is a software program library that helps builders write producer functions to realize excessive throughput knowledge into Kinesis Information Streams. KPL manages document batching, aggregation, and retry logic to maximise throughput and optimize useful resource utilization whereas simplifying the producer software growth course of.
The next desk outlines the extent of assist for every section of the foremost model lifecycle of KCL and KPL.
| Main variations | Model Lifecycle Part | Begin Date | Finish Date | Help Stage |
| KCL 1.x | Normal Availability | 12/19/2013 | 4/16/2025 | Throughout this section, the foremost model is absolutely supported. AWS gives common minor and patch model releases that embrace assist for brand new options or API updates for Kinesis Information Streams, in addition to bug and safety fixes. |
| KPL 0.x | Normal Availability | 6/2/2015 | 4/16/2025 | Throughout this section, the foremost model is absolutely supported. AWS gives common minor and patch model releases that embrace assist for brand new options or API updates for Kinesis Information Streams, in addition to bug and safety fixes. |
| KCL 1.x, KPL 0.x | Upkeep mode | 4/17/2025 | 1/29/2026 | AWS is limiting patch model releases to handle essential bug fixes and safety points solely. The foremost model won’t obtain updates for brand new options or APIs of Kinesis Information Streams. |
| KCL 1.x, KPL 0.x | Finish-of-support | 1/30/2026 | N/A | The foremost model will not obtain updates or releases. Beforehand revealed releases will proceed to be obtainable by way of public bundle managers and the code will stay on GitHub. |
Impression on non-Java KCL Libraries
The upkeep mode and end-of-support dates apply to the next non-Java KCL 1.x libraries:
Migrating from KCL 1.x or KPL 0.x
In case you’re utilizing KCL 1.x or KPL 0.x, we suggest migrating to the newest variations (KCL 3.x and KPL 1.x). When migrating from KCL 1.x to three.x, you will have to replace interfaces and safety credential suppliers in your software. For migrations from KPL 0.x to 1.x, you’ll be able to improve your present KPL software with none change in your knowledge processing logic. To study extra, confer with the next assets:
Abstract
KCL 1.x and KPL 0.x will attain end-of-support on January 30, 2026 and enter upkeep mode on April 17, 2025. In case you want help or have suggestions, attain out to AWS assist. You may as well open a difficulty within the KCL GitHub repository or KPL GitHub repository.
Concerning the writer
Minu Hong is a Senior Product Supervisor for Amazon Kinesis Information Streams at AWS. He’s keen about understanding buyer challenges round streaming knowledge and creating optimized options for them. Outdoors of labor, Minu enjoys touring, taking part in tennis, snowboarding, and cooking.
