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authorjnthn <jnthn@jnthn.net>2012-10-27 13:23:07 +0200
committerjnthn <jnthn@jnthn.net>2012-10-27 13:23:07 +0200
commit742f9db78a0e0c74a4578be35dce26f322e107ea (patch)
treed17386da2a27bc5da832802904231e92c6edb890
parent72b07809adf69abd1eada8acb870d40747983689 (diff)
Draft release announcement for 2012.10 release.
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+Announce: Rakudo Star - a useful, usable, "early adopter" distribution of Perl 6
+
+On behalf of the Rakudo and Perl 6 development teams, I'm happy to
+announce the October 2012 release of "Rakudo Star", a useful and
+usable distribution of Perl 6. The tarball for the October 2012
+release is available from <http://github.com/rakudo/star/downloads>.
+A Windows .MSI version of Rakudo star will usually appear in
+the downloads area shortly after the tarball release.
+
+In the Perl 6 world, we make a distinction between the language
+("Perl 6") and specific implementations of the language such as
+"Rakudo Perl". This Star release includes release 2012.10 [0] of the
+Rakudo Perl 6 compiler [1], version 4.6.0 of the Parrot Virtual
+Machine [2], and various modules, documentation, and other
+resources collected from the Perl 6 community.
+
+Some of the new features added to this release include:
+
+* The method case of the handles trait
+
+* The <-> lambda, which defaults parameters to rw
+
+* The :dba modifier in regexes
+
+* The radix form :60[24, 59, 59]
+
+* Improved coverage of Perl 5 regexes when the :P5 modifier is used
+
+* Correct parsing of nested pairs in quote delimeters
+
+* Attributes in scope are now visible inside of an eval
+
+This release also contains a range of performance improvements, bug fixes,
+improvements to error reporting and better failure modes.
+
+The following features have been deprecated or modified from previous
+releases due to changes in the Perl 6 specification, and are being removed
+or changed as follows:
+
+* Iterable is now a role instead of a class, and no longer inherits
+ from Cool.
+
+* Parameters preceded by a | or \ can no longer have a sigil.
+
+* IO::Path.dir (which returns the directory part of the path) has been
+ renamed to IO::Path.directory. IO::Path.dir will be removed or
+ re-purposed.
+
+* The Str.ucfirst builtin is deprecated; it will be replaced by Str.tc.
+
+* Leading whitespace in rules and under :sigspace will no longer be
+ converted to <.ws> . For existing regexes that expect this conversion,
+ add a <?> in front of leading whitespace to make it meta again.
+
+* The ?-quantifier on captures in regexes currently binds the capture
+ slot to a List containing either zero or one Match objects; i.e., it
+ is equivalent to "** 0..1". In the future, the ?-quantifier will
+ bind the slot directly to a captured Match or to Nil. Existing code
+ can manage the transition by changing existing ?-quantifiers to
+ use "** 0..1", which will continue to return a List of matches.
+
+There are some key features of Perl 6 that Rakudo Star does not
+yet handle appropriately, although they will appear in upcoming
+releases. Some of the not-quite-there features include:
+
+ * advanced macros
+ * threads and concurrency
+ * Unicode strings at levels other than codepoints
+ * interactive readline that understands Unicode
+ * non-blocking I/O
+ * much of Synopsis 9
+
+There is an online resource at http://perl6.org/compilers/features
+that lists the known implemented and missing features of Rakudo
+and other Perl 6 implementations.
+
+In many places we've tried to make Rakudo smart enough to inform the
+programmer that a given feature isn't implemented, but there are
+many that we've missed. Bug reports about missing and broken
+features are welcomed at <rakudobug@perl.org>.
+
+See http://perl6.org/ for links to much more information about
+Perl 6, including documentation, example code, tutorials, reference
+materials, specification documents, and other supporting resources.
+A draft of a Perl 6 book is available as <docs/UsingPerl6-draft.pdf>
+in the release tarball.
+
+The development team thanks all of the contributors and sponsors
+for making Rakudo Star possible. If you would like to contribute,
+see <http://rakudo.org/how-to-help>, ask on the perl6-compiler@perl.org
+mailing list, or join us on IRC #perl6 on freenode.
+
+[0] https://github.com/rakudo/rakudo/blob/nom/docs/announce/2012.10
+[1] http://github.com/rakudo/rakudo
+[2] http://parrot.org/