Noteworthy changes in release ?.?? (????-??-??)
===============================================
+* Changes in behaviour
+ * On x32 personality, 64-bit syscalls (such as readv) are now shown with "#64"
+ suffix instead of "64:" prefix. Unlike the old names, these new names
+ can be used in syscall qualification expressions.
+ * Changed error number output format: error numbers are consistently
+ printed as "-1 ECONST (Error description)"
+ for known errors and as "-1 (errno 123)" for unknown errors,
+ regardless of -e raw qualification settings. One can specify
+ -X raw for displaying raw error numbers unconditionally.
+ * Unfetchable addresses inside arrays are now printed as comments.
+
* Improvements
* Implemented libdw backend for -k option, configured at build time
using --with-libdw option.
using --enable-stacktrace option.
* Added -X option for configuring xlat output formatting (addresses
Debian bug #692915).
+ * Improved support for reproducible builds (addresses Debian bug #896016).
+ * Implemented decoding of BPF_PROG_QUERY and BPF_RAW_TRACEPOINT_OPEN bpf
+ syscall commands.
+ * Implemented decoding of INOTIFY_IOC_SETNEXTWD and PERF_EVENT_IOC_* ioctl
+ commands.
+ * Implemented decoding of PR_GET_SPECULATION_CTRL and PR_SET_SPECULATION_CTRL
+ prctl syscall options.
+ * Enhanced decoding of bpf, getsockopt, setsockopt, and socket syscalls.
+ * Enhanced decoding of NETLINK_KOBJECT_UEVENT and NETLINK_ROUTE protocols.
+ * Enhanced decoding of *_DIAG_MEMINFO netlink attributes.
+ * Enhanced decoding of BTRFS_*, FS_IOC_*, SIOCGIFHWADDR, and SIOCSIFHWADDR
+ ioctl commands.
+ * Enhanced decoding of AF_BLUETOOTH socket addresses.
+ * Updated lists of ADJ_*, BPF_*, BPF_F_*, BPF_PROG_TYPE_*, ETH_P_*, FPE_*,
+ IFF_*, IPPROTO_*, MAP_*, MS_*, MSG_*, NETLINK_*, PACKET_*, PROT_*, SCTP_*,
+ SECCOMP_FILTER_FLAG_*, SEGV_*, SEM_*, SHM_*, SW_*, V4L2_CID_*,
+ V4L2_CTRL_CLASS_*, and V4L2_PIX_FMT_* constants.
* Updated lists of ioctl commands from Linux 4.17.
+* Bug fixes
+ * Fixed decoding of msgtyp argument of msgrcv syscall.
+ * Fixed fallback definitions for F_*, MCL_*, MSG_ZEROCOPY, SI_*,
+ and SOL_SOCKET constants.
+
Noteworthy changes in release 4.22 (2018-04-05)
===============================================