hi, couldn't find the release notes, not in the announcement and not here Index of /releases<https://spark.apache.org/releases/> It is harder to test and experiment when not knowing what changed and what's new... Would be great if release notes could be added next round Just my two cents, Ofir
________________________________ From: Hyukjin Kwon <gurwls...@apache.org> Sent: Wednesday, September 3, 2025 3:31 AM To: dev <dev@spark.apache.org> Subject: [External] [ANNOUNCE] Announcing Apache Spark 4.1.0-preview1 Hi, all. To enable wide-scale community testing of the upcoming Spark 4.1.0 release, the Apache Spark community has posted a Spark 4.1.0-preview1 release<https://dist.apache.org/repos/dist/release/spark/spark-4.1.0-preview1/>. This preview is not a stable release in terms of either API or functionality, but it is meant to give the community early access to try the code that will become Spark 4.1.0. If you would like to test the release, please download<https://dist.apache.org/repos/dist/release/spark/spark-4.1.0-preview1/> it, and send feedback using either mailing lists<https://spark.apache.org/community.html> or JIRA<https://issues.apache.org/jira/browse/SPARK/?selectedTab=com.atlassian.jira.jira-projects-plugin:summary-panel>. The documentation is available at the link<https://spark.apache.org/docs/4.1.0-preview1/>. We’d like to thank our contributors and users for their contributions and early feedback to this release. This release would not have been possible without you. To download Spark 4.1.0-preview1, head over to the download page: https://dist.apache.org/repos/dist/release/spark/spark-4.1.0-preview1/ To view the documentation: https://spark.apache.org/docs/preview/
