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Parrot 3.9.0 "Archaeopteryx" Released

Jonathan "Duke" Leto
October 18, 2011 20:19
Parrot 3.9.0 "Archaeopteryx" Released
Message ID:
On behalf of the Parrot team, I'm proud to announce Parrot 3.9.0
Parrot ( is a virtual machine aimed at running all
dynamic languages.

Parrot 3.9.0 is available on Parrot's FTP site
(, or by following the
download instructions at  For those who would like
to develop on Parrot, or help develop Parrot itself, we recommend using Git to
retrieve the source code to get the latest and best Parrot code.

Parrot 3.9.0 News:
    - Core
        + The whiteknight/kill_threads branch was merged, which
removes the old and broken
        thread/concurrency implementation. Better and more flexible
concurrency primitives
        are currently being worked on. This also involved removing
some of the last vestiges
        of assembly code from Parrot as well as removing the share and
share_ro vtables.
        + random_lib.pir was removed, since better alternatives already exist
        + The freeze and thaw vtables were removed from Default PMC,
because they weren't
          useful and caused hard-to-find bugs.
        + A new subroutine profiling runcore was added. It can be
enabled with the command-line
        argument of -R subprof . The resulting data can be analyzed
with kcachegrind.
        + Added get_string VTABLE to FixedIntegerArray and FixedFloatArray PMCs
        + The update() method was added to the Hash PMC, which updates
one Hash with the contents
          of another. This speeds up rakudo/nqp startup time.
    - Languages
        + Winxed
          - Updated snapshot to version 1.3.0
          - Added the builtin sleep
          - Modifier 'multi' allows some more multi functionality
    - Community
        + New repo for the Parrot Alternate Compiler Toolkit, a
re-implementation of
          PCT in Winxed:
    - Documentation
        + We are in the process to migrating our Trac wiki at to Github
        + Packfile PMC documentation was updated
    - Tests
        + Select PMC tests improved to pass on non-Linuxy platforms

The SHA256 message digests for the downloadable tarballs are:


Many thanks to all our contributors for making this possible. This
release comprises
182 commits by 17 authors on the master branch since the previous release:

    Michael Schroeder, Whiteknight, soh_cah_toa, Jonathan "Duke" Leto,
    Brian Gernhardt, Andy Lester, Christoph Otto, Peter Lobsinger,
jkeenan, NotFound,
    Jimmy Zhuo, Stefan Seifert, Andrew Whitworth, Francois Perrad, Moritz Lenz,
    Tadeusz SoĊ›nierz, gerd

Our next scheduled release is 15 November 2011.

Enjoy and may the force be with you!


Jonathan "Duke" Leto <>
Leto Labs LLC
209.691.DUKE //
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