[HHad3]

Details are missing in the linked techradar article, but covered in its source [1]. To summarize, futex2 (for faster Windows-style locking) and syscall user redirection (for supporting odd DRM constructs) may land in Linux 5.11.

[1] https://www.phoronix.com/scan.php?page=news_item&px=Extendin...