Elastic Stack 8.15.2 released

Version 8.15.2 of the Elastic Stack was released today. We recommend you upgrade to this latest version. We recommend 8.15.2 over the previous version 8.15.

Logstash 8.15.0 introduced a bug in Environment variable substitution which led to configurations breaking and preventing Logstash from starting. This issue has been fixed in 8.15.2. For more information see https://github.com/elastic/logstash/pull/16456.

PyTorch is upgraded to version 2.3.1. This resolves some memory allocation issues related to the pytorch_inference process being terminated by the operating system Out Of Memory Killer. For more information see https://github.com/elastic/elasticsearch/issues/110530 and https://github.com/elastic/ml-cpp/pull/2688

For details of the issues that have been fixed and a full list of changes for each product in this version, please refer to the release notes.