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* Noteworthy changes in release 1.9 (2018-03-12) [stable] ** Improvements time now reports percent CPU usage for programs lasting less then 1 second. previously, time would report '??%' if programs lasted less than 1 second. (adopted from Fedora). ** Changes in behaviour "time -p" no longers adds the "Command exited with non-zero status" message. This is a backward-incompatible change for better POSIX compliance. Many downstream distributions previously patched 'time' to behave this way (Debian added '-q', Fedora patched '-p'). * Noteworthy changes in release 1.8 (2017-11-07) [stable] ** Licensing First official release under GPLv3-or-later. Previous version (v1.7) was GPLv2-or-later. The code in the git repository has been updated to GPLv3-or-later in 2015 (in git-tagged version 1.7.1). ** New Features time supports new -q/--quiet option to suppresses abnormal program terminal (non-exit codes or signals). Modelled after Debian's https://bugs.debian.org/56853 . time now uses the following exit codes (same as GNU coreutils' env): 125 = Wrong usage or internal error prior to exec attempt. 126 = Program located, but not usable. 127 = Could not find program to exec. time now exits with code '128 + Signal number' when the program is terminated by a signal. Modelled after Debian's 'non-normal-exit' upstream patch, and behaves the same as GNU coreutils' timeout(1). time now reports MAX-RSS values correctly on modern systems (the old code base, last updated in 1996, incorrectly calculated pages/kilobytes and overestimated MAX-RSS). Modelled after Debian's https://bugs.debian.org/649402 . ** Improvements Use gnulib modules and build infrastructure. New tests infrastructure (make check). Portability improvements (e.g. detection of time.h, sys/resources.h, getrusage now delegated to gnulib). Changes in version 1.7.1: * Released under GPL V3 License Major changes in version 1.7: * Reports average memory use figures more accurately on SunOS sparc, Ultrix mips, and Sony NEWS. * Reports when the process being run is terminated by a signal, and exits with the signal number as its status in that case. * Documentation reorganized. * Configuration and library files updated. Major changes in version 1.6: * Configures correctly on NeXT and OSF/1. * Documentation errors fixed. Major changes in version 1.5: * Support for Solaris, AIX, and other non-BSD hybrids. * Fractional seconds are correctly reported. * The verbose display fits on one screen now and has more accurate labels. Major changes in version 1.4: * Support for systems without the BSD getrusage and wait3 calls. * Improved configuration. * Clarified documentation of some resources.