jemalloc 5.4.0 release
Summary
jemalloc 5.4.0 release notes describe refactorings, bug fixes, test coverage improvements, and portability enhancements across the project. It introduces new features such as pinned memory reporting, per-CPU arena selection, and alignment improvements between human-readable and JSON statistics. The release targets developers and teams relying on jemalloc for performance-sensitive memory management in open-source deployments.