Noteworthy changes in strace 5.13 (2021-07-18)

==============================================

* Improvements
  * Print netlink data in a more structured way.
  * Implemented decoding of NT_PRSTATUS and NT_FPREGSET regsets
    of PTRACE_GETREGSET and PTRACE_SETREGSET requests.
  * Implemented decoding of regs argument of PTRACE_GETREGS, PTRACE_GETREGS64,
    PTRACE_SETREGS, PTRACE_SETREGS64, PTRACE_GETFPREGS, and PTRACE_SETFPREGS
    requests.
  * Implemented powerpc System Call Vectored ABI support.
  * Implemented decoding of landlock_add_rule, landlock_create_ruleset,
    and landlock_restrict_self syscalls introduced in Linux 5.13.
  * Enhanced decoding of perf_event_open syscall.
  * Updated lists of BPF_*, IORING_*, KEXEC_*, KEY_*, KVM_*, NT_*, PR_*,
    PTRACE_*, RTM_*, RTPROT_*, TRAP_*, UFFD_*, UFFDIO_*, and V4L2_* constants.
  * Updated lists of ioctl commands from Linux 5.13.

* Portability
  * On powerpc and powerpc64, linux kernel >= 2.6.23 is required.
    Older versions without a decent PTRACE_GETREGS support will not work.

Contributors
============

This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports.  These include:

* Alyssa Ross
* Deborah Brouwer
* Dmitry V. Levin
* Eugene Syromyatnikov
* Gleb Fotengauer-Malinovskiy
* Srikavin Ramkumar

Please refer to the CREDITS file for the full list of strace contributors.
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