Although the feature set change for version 4.2.0 is not that big, that was the most painful release we had so far.
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The Challenge of the new Maven Central Deployment
To understand the rant that is about to follow, one must know that this year Sonatype changed the way releases are deployed to the Central repository (formerly known as Maven Central).
Nothing wrong with doing that per se, since the old mechanism was quite clunky, and I imagine, also caused some trouble on Sonatype’s side. The announcement came around the end of 2024, and the deadline for the migration was the last of May 2025. So far so fair.