Linus Torvalds announced the first Linux 4.1 release candidate kernel saying, â€œno earth-shattering new features come to mind, even if initial support for ACPI on arm64 looks funny. Depending on what you care about, your notion of â€˜big new featureâ€™ may differ from mine, of course. Thereâ€™s a lot of work all over and it might just make a big difference to your use cases.â€ New features in Linux 4.1 include the new â€˜simple persistent memoryâ€™ driver (which enhances support for Non-Volatile Memory devices), support for single user-only systems where support for multiple users is configured out (for very small embedded systems that donâ€™t have resources and need to save 25 KB of RAM), and support for filesystem-level encryption in ext4. The subsequent RCs add a few fixes, including one â€œso old that I almost thought if itâ€™s been broken since 2011, and you only noticed now, maybe it could have waited.â€
Read more at Linux User & Developer.