We are proud to announce the latest version of Unikraft, v0.10.0 (Phoebe)! In this release, we introduce many new improvements, including critical bug fixes, improved stability and new features. To summarize:

🚀 New Features

• Introduction of posix-futex and futex syscall (#488) by Adina Smeu
• Introduce new internal eventpoll API to vfscore (#484) by Marc Rittinghaus
• Introduction of posix-event and epoll* syscalls (#485) by Marc Rittinghaus and Hugo Lefeuvre
• Introduction of posix-socket abstraction library (#65) by Alexander Jung and Marc Rittinghaus
• Paging support on arm64 based on VMSAv8-64 (#506) by Michalis Pappas
• SMP implementation for x86_64 (#502) by Marc Rittinghaus
• Add clock_getres syscall (#503) by Stefan Jumarea
• New syscalls and cleanups to posix-user (#504) by Marc Rittinghaus
• Add option to enforce W^X (f21273f via #506) by Marc Rittinghaus
• New rt_sig* systems registered in uksignal (#314) by Răzvan Vîrtan

🐛 Bug Fixes & Improvements

• Fix uktest to print custom formats (#515) by Florin Postolache
• Ignore only unnumbered legacy syscalls in syscall_shim (#509) by Răzvan Vîrtan
• Fix parsing error in fdt_get_address (ofw device trees) (#507) by Robert Kuban
• Solve redefining conflicts in uksignal (#453) by Dragos Iulian Argint
• Solve redefining conflicts in vfscore (#441) by Dragos Iulian Argint
• Solve redefining conflicts in posix-process (#442) by Dragos Iulian Argint
• Fix syscall definitions in posix-process (#526) by Dragos Iulian Argint
• Force argument order for uk_vsyscall_r in syscall_shim (#512) by Marc Rittinghaus
• Fix warnings about unused variables in plat/arm/lcpu (#479) by Marc Rittinghaus
• Faster builds by considering obj-only libs for linking (#482) by Robert Kuban
• Cleanup GIC-v2/GIC-v3 code (#478) by Marc Rittinghaus
• Fix spinlock headers (#477) by Marc Rittinghaus
• Update reference to liftoff (#487) by Simon Kuenzer
• Include missing syscall.h in vfscore (#527) by Simon Kuenzer
• Various fixes/improvements in preparation for new scheduling API (#524) by Simon Kuenzer
• Add data barrier after PTE writes in arm64 (#525) by Aleksandr Iashchenko and Michalis Pappas
• Reorder macros in the linuxu system call header files (#438) by Florin Postolache
• Preserve x18 in exception vectors for arm64 on kvm (#523) by Michalis Pappas
• Add call to _init_paging in setup.c for x86 on kvm (#483) by Cristian Vijelie

A big thank you also to all those who helped in the review process: Gabi Mocanu, Sergiu Moga, Cezar Craciunoiu, Dragos Iulian Argint, Răzvan Vîrtan, Gabriel Mocanu, Stefan Jumarea, Renê de Souza Pinto, Razvan Deaconescu, Simon Kuenzer and Marc Rittinghaus.

For more information, check out the accompanying blog post or view the full changelog.