- Sources: release notes, announcement, discussion
- Summary: The release notes record over 530 tickets resolved since beta5, a full HaikuWebKit rebuild falling from 4h53m to 2h33m, and
git status in a 160,000-file repository falling from about 33s to 20s cold and from 15s to 2.5s hot. The named causes are a directory-entry cache that no longer takes a write lock to add entries, read-write locking in the inode block cache, and a new userland malloc based on OpenBSD's with a global caching layer, replacing an aging hoard fork. The release also adds NVMM hardware virtualization for QEMU on x86_64 through -accel nvmm, officially branded Firefox after Mozilla granted permission, and a Go 1.26.1 port, and memory work brings 32-bit boot back within 128 MB of RAM. - Why it matters: The performance claims are stated as measured before-and-after numbers with named causes in the kernel's caching and locking paths, which is the form that can be checked rather than taken on trust.
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