Jemalloc 5.4.0
Jemalloc, a widely used memory allocator, has released version 5.4.0. The update introduces performance improvements, new profiling features, and bug fixes. Notable changes include enhanced multi‑threaded allocation efficiency and expanded support for recent operating systems. The project’s maintainers recommend upgrading for applications that rely on jemalloc to benefit from the stability, speed gains, and lower memory fragmentation.