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Reini Urban
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add cperl, move rperl up, remove parrot
and change to p2 to past tense
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‎cperl/Changes.html‎

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<h1>cperl-5.22.0 / 2015-06-23</h1>
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<p>These are the changes above perl-5.22.1
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See pod/perlcperl.pod for a summary, but note that perlcperl includes also
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still in work features.</p>
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<ul>
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<li>installperl uses PERLNAME=cperl with -Dusecperl</li>
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<li>installperl honors Configure -Dperlpath</li>
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<li>fixed some crashing cornercases found by the AFL fuzzer or similar:
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#125840: $x=*0; *x=$x
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protect from XSRETURN(-1)
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#125341: BEGIN &lt;>
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fixed various off-by-one \0 errors with the new 5.16 GV code.</li>
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<li>merge SVf_PROTECT with SVf_READONLY, no double readonly system</li>
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<li>fix old OA_TARGLEX bug with TARGET_MY optim</li>
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<li>add shaped arrays and optimize certain accesses to omit run-time
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bounds checks. loops with static ranges, constant array indices.</li>
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<li>typed all internal ops and use them.
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provide upgrade and downgrade variant tables.</li>
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<li>re-instate pre-2002 exceptions for i_modulo and i_divide with constants
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and typed integers, as with use integer.
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[CHANGE] constant integer modulo now behaves as under use integer
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and deviates with one negative argument from post-2002 code.</li>
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<li>integer constants behave now as under use integer. provide upgrade
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exceptions with the u_ suffix for u_add and u_multiply.</li>
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<li>opcodes: re-arrange, add pure, boxret, typed and native variants.
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renamed some opcodes for harmonization and provide backcompat macros</li>
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<li>fix OP_SASSIGN to be a proper BINOP and remove the various exceptions</li>
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<li>coretypes as builtins, with type check and promotion.
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native types implemented, but not yet promoted</li>
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<li>convert static method calls to subs, as described in
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http://blogs.perl.org/users/rurban/2011/06/how-perl-calls-subs-and-methods.html
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4% faster</li>
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<li>DEBUG_k: -Dk for compiler checks and optimizations, also -Dkv</li>
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<li>rewrote Config as XS, as perfect hash</li>
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<li>change EUMM to depend on lib/Config_heavy.pl, not lib/Config/pm
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because of Config bootstrapping quirks with miniperl and perl variants</li>
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<li>utils: prefix perldoc, perlbug and perlivp with a 'c'.
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rewrote cperlbug to post to github.com/perl11/cperl/issues</li>
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<li>hash_func: add FNV1A, FNV1A_YOSHIMITSUTRIAD/FNV1A_YT, CRC32, METRO64CRC, METRO64,
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SPOOKY32 hashes</li>
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<li>hash_func: select FNV1A as new default. See https://github.com/rurban/perl-hash-stats</li>
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<li>allow Configure -Dhash_func=name</li>
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<li>DEBUG_H: prefix with HASH, and extend it</li>
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<li>fixup (void)INCMARK</li>
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<li>B::Deparse test fixup</li>
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<li>enterxssub: fix ext/Devel-Peek/t/Peek.t</li>
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<li>enterxssub: fix B::Deparse and tests</li>
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<li>enterxssub: fix B tests</li>
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<li>Safe 2.39_01c, Opcode 1.33c: disable enterxssub</li>
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<li>Safe 2.39_01c: Document XS inabilities</li>
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<li>add seperate enterxssub op, ~12% faster</li>
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<li>Safe: skip loading empty Carp::Heavy</li>
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<li>B-Deparse: skip DynaLoader::dl_load_flags on cperl</li>
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<li>Test-Harness: fix for cperl</li>
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<li>fastarith: on gcc and clang use fast overflow intrinsics</li>
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<li>perlcperl.pod: add build + install doc</li>
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<li>ExtUtils::Mkbootstrap: allow missing DynaLoader.pm</li>
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<li>apidoc: fix placing set_version in perlapi</li>
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<li>cperl: do not normalize PL_patchlevel</li>
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<li>cperl version: permit ending c in every cperl VERSION</li>
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<li>more Porting updates: skip DynaLoader for cmpVERSION</li>
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<li>regen Porting/checkcfgvar.pl</li>
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<li>fix t/porting/regen.t</li>
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<li>t/lib/warnings/op: fix for new DynaLoader</li>
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<li>DynaLoader: fix porting/diag.t</li>
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<li>DynaLoader: comment about t/comp/require.t test 53</li>
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<li>t/porting/args_assert.t: fix for set_version</li>
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<li>t/porting/podcheck.t: update for XSLoader/DynaLoader copies</li>
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<li>regen: Possible unintended interpolation of @Changed</li>
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<li>Makefile: improve DL_SRC dependency, touch ar lib</li>
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<li>XSLoader: fix XSLoader.t test 24</li>
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<li>Documentation: add cperl specific changes to *Loader.pod</li>
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<li>perlcall.pod: format flags with C&lt;>, add more about SP vs MARK</li>
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<li>XSLoader: converted to compiled builtin</li>
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<li>DynaLoader.pod: formatting</li>
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<li>metaconf: add dl extensions and path_sep to config.h</li>
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<li>config.h: add LDLIBPTHNAME</li>
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<li>metaconf: add HAS_LIBNAME_UNIQUE to config.h</li>
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<li>metaconf: add d_vms_case_sensitive_symbols and HAS_VMS_CASE_SENSITIVE_SYMBOLS</li>
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<li>xsutils: boot_core_xsutils: boot_DynaLoader</li>
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<li>ExtUtils-Embed-1.33 usecperl variant to boot DynaLoader immediately</li>
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<li>DynaLoader: converted to compiled builtin</li>
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<li>attributes: regen lib/.gitignore via regen/lib_cleanup.pl</li>
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<li>attributes: fix t/porting/diag.t, add :-shared error to perldiag.pod</li>
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<li>attributes: fix tests for cperl</li>
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<li>attributes.pm: disable pp parts</li>
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<li>cperl: allow :const and coretype function return attributes</li>
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<li>lib/attributes.pm: do not bootstrap with cperl</li>
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<li>attributes 0.26_01c converted to XS</li>
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<li>Makefile.SH: replace CC with LD to link exes</li>
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<li>add use cperl pragma</li>
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<li>coretypes: fix t/op/stash.t omit deleting READONLY stash keys</li>
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<li>coretypes: declare Undef, Int, UInt, Num, Str</li>
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<li>ExtUtils-MakeMaker: fix repreq.t for builtin strict</li>
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<li>strict: fix test for cperl</li>
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<li>strict 1.10c converted to compiled builtin, re-add xsutils.c</li>
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<li>usecperl Deparse: lexical_subs is enabled</li>
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<li>mv README.cperl -> pod/perlcperl.pod</li>
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<li>cperl.pm: fix t/porting/maintainers.t</li>
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<li>cperl: display cperl specifics with -V</li>
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<li>Fix cperl pod_rules (readmes in the MANIFESTs)</li>
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<li>Update perldata/const from const qualifier to :const attribute</li>
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<li>perldata.pod: add const and coretypes</li>
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<li>pod: fix porting tests</li>
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<li>README.cperl: tailcall optimization (long term plan)</li>
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<li>README.cperl: We track stable upstream releases only</li>
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<li>README.cperl: php7 + => pod</li>
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<li>-DH debug hash fill, size and collisions</li>
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<li>Configure: set cperl as package, and use its installstyle</li>
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<li>Configure: support -Dusecperl, $Config{usecperl}, ifdef USE_CPERL</li>
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<li>add cperl documentation: pod/perltypes.pod README.cperl</li>
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<li>add CHECK_*_ATTRIBUTES for compile-time</li>
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<li>make -s: more Makefile silencing</li>
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<li>make -s: ExtUtils::Mkbootstrap 7.04_01c: silence Running Mkbootstrap</li>
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<li>fix RT#81332 744aaba059 bloats the B compilers</li>
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<li>test -D switches: add PERLIO_DEBUG changes</li>
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<li>test -D switches: new t/run/switchDBG.t</li>
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<li>DEBUG_I: add documentation for -DI and PERLIO_DEBUG</li>
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<li>PerlIO_debugio: reuse fd from PERLIO_DEBUG for PL_perlio_debug_fd</li>
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<li>DEBUG_I: add a seperate -DI instead of PERLIO_DEBUG</li>
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<li>schmorp stableperl patches for 5.22.0</li>
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<li>restricted hash error message with stashes</li>
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<li>[perl #125369] - Set correct flags for smartmatch in certain cases</li>
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<li>installperl: no strip with DEBUGGING</li>
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<li>parse unicode superscripts simplified (max 2 digits)</li>
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<li>parse unicode constant superscripts (one digit)</li>
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<li>parse sdot for multiply also</li>
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<li>parse some new unicode keywords</li>
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<li>hints/darwin.sh: document -no-cpp-precomp cargo cult</li>
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<li>Devel::Peek fix tests for changed core dump.c</li>
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<li>dump: adjust core tests for changed dump</li>
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<li>dump: add FLAGS values and PADLIST sizes</li>
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<li>MD5: static is not at beginning of declaration</li>
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<li>t/porting/globvar.t: skip PL_memory_debug_header also</li>
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<li>add warnings 7fatal testcase for #123398</li>
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<li>don't fatalize warnings during unwinding (#123398)</li>
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<li>lib/vars_carp.t: fix wrong test</li>
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<li>Ignore ENOTTY on open via the perlio buffer layer</li>
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<li>regen_lib: add some love for vim</li>
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<li>MARK -Ds debugging</li>
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<li>XSLoader 0.21: use dl_find_symbol 3rd optional argument</li>
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<li>DynaLoader: extend t/DynaLoader.t to be run from basedir also</li>
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<li>DynaLoader/dl_*.xs: Define all PERL_IN_DL_*_XS markers</li>
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<li>DynaLoader 1.33 dl_find_symbol add 3rd optional argument</li>
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<li>Configure: support non-perl5 package, and use its installstyle</li>
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<li>xs_boot_epilog (Xp): change ax from U32 to I32</li>
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<li>force_next: fix -Wsign-comp warning</li>
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<li>perl_hash_crc32: use HW hasher as default with SSE4.2</li>
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<li>Makefile: add TAGS target (etags, not ctags)</li>
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<li>EUMM: more make -s improvements</li>
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<li>make -s: silent means silent</li>
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<li>lib/h2ph.t: keep tmpfiles on error</li>
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</ul>
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<p>Perl 5</p>
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<p>For an overview of what's changed in this release, see pod/perldelta.pod.</p>
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<p>For the details of changes in previous releases, see the individual
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perlNNNdelta.pod files. For example, pod/perl588delta.pod describes the
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changes between versions 5.8.7 and 5.8.8.</p>
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<p>For a list of contributors to perl, see AUTHORS.</p>
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<p>If you need a detailed commit history (i.e. descriptions of each
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individual commit), you can view the git version control history online
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at http://perl5.git.perl.org/perl.git (follow the 'shortlog' link beside
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the relevant tag). Or, you can download a copy of the git repository and
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then run a command like</p>
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<pre><code>git log --name-status v5.12.0..v5.14.0
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</code></pre>
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<p>to view all the changes between 5.12.0 and 5.14.0.</p>
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<p>See pod/perlgit.pod for more details on using git and accessing the
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commit history.</p>
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<p>In perl releases prior to 2009, the source tarball included a collection
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of Changes files that listed the individual commits that had gone into
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each release. Since these files had become very large, and since the
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same information is now freely available online, it was decided to remove
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them from subsequent releases.</p>
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<p>If you need access to these removed files, then they can be be found most
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recently in the 5.8.9 and 5.10.0 tarballs, at</p>
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<pre><code>http://www.cpan.org/src/perl-5.8.9.tar.gz
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http://www.cpan.org/src/5.0/perl-5.10.0.tar.gz
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</code></pre>
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<p>The contents of the files in question can mostly be regenerated using git
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commands. The following table shows the equivalents. Note that the files
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prior to Changes5.005 were not simple lists of commits, so can't be
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recreated just by running the git command. As it happens, even the latter
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ones are not exact equivalents. This is due to a combination of errors in
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the original Changes files, and "impedance mismatches" when the previous
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version control data was imported into git in December 2008.</p>
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<p>For example, the Changes5.005 file includes 206 spurious entries from the
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maint5.004 Perforce branch.</p>
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<p>Running the following command with the range argument shown in the table
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will produce <em>approximately</em> the same list of changes in the specified
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file shown from the listed tarball.</p>
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<pre><code>git log --name-status &lt;range&gt;
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</code></pre>
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<p>file tarball <range> argument to 'git log'
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------------ ------ --------------------------------
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Changes5.000 Either N/A
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Changes5.001 Either perl-5.000..perl-5.001
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Changes5.002 Either perl-5.001..perl-5.002
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Changes5.003 Either perl-5.002..perl-5.003
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Changes5.004 Either perl-5.003..perl-5.004
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Changes5.005 Either perl-5.004..perl-5.005_03
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Changes5.6 Either perl-5.005_03..perl-5.6.0
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Changes5.8 Either perl-5.6.0..perl-5.8.0
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Changes5.8.1 5.8.9 perl-5.8.0..perl-5.8.1 ^1ede746b
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Changes5.8.2 5.8.9 perl-5.8.1..perl-5.8.2
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Changes5.8.3 5.8.9 perl-5.8.2..perl-5.8.3
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Changes5.8.4 5.8.9 perl-5.8.3..perl-5.8.4
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Changes5.8.5 5.8.9 perl-5.8.4..perl-5.8.5 ^3a81978b
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Changes5.8.6 5.8.9 perl-5.8.5..perl-5.8.6 ^498d59dd
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Changes5.8.7 5.8.9 perl-5.8.6..perl-5.8.7
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Changes5.8.8 5.8.9 perl-5.8.7..perl-5.8.8
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Changes 5.8.9 perl-5.8.8..perl-5.8.9
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Changes 5.10.0 perl-5.8.0..perl-5.10.0</p>

‎cperl/STATUS.html‎

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<h1>cperl status</h1>
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<p>cperl started Feb. 2015 when :const was added, parrot was killed, the
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trust in the maintenance capabilities of p5p eroded beyond repair, and
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it became clear that optimizing for fun is better than waiting for
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someone else to allow it.</p>
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<p>A 5.22 based variant with classes ("perl with classes"), types,
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compiler support ("compilable perl"), or just a company-friendly perl.</p>
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<p>Currently it is about 1.5x faster than perl5.22 overall, >2x faster
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then 5.14 and uses the least amount of memory measured since 5.6,
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i.e. less than 5.10 and 5.6.2, which were the previous leaders. While
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perl5.22 uses the most memory yet measured. But not all of the wanted
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features are merged. The plan is to support most perl5-compatible
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perl6 features, improve performance and memory usage, better compiler
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(B::C) support, and provide better security fixes and maintenance than
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p5p perl5.</p>
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<p>Tested and developed on linux and darwin 64bit. 32bit does not work yet!</p>
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<p>The first release based on 5.22.1 is scheduled on Sep 14. 2015.</p>
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<p>All tests pass, most of CPAN works, 3 fixes in the distroprefs repo
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for Variable::Magic and CPAN::Meta::Requirements and version are needed.</p>
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<p><img src="cperl-m0.png" alt="Memory usage: perl -e0" /></p>
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<p><img src="cperl-p0.png" alt="Memory usage: with Config_heavy" /></p>
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<p><img src="cperl-p1.png" alt="Memory usage with unicode s///i" /></p>
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<p>Issues will be copied over from our internal stash repo to the public
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github repo soon.</p>
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<h1>Bugfixes for perl5 upstream</h1>
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<ul>
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<li>merge-upstream</li>
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</ul>
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<h1>In the stable master branch are the following major features</h1>
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<ul>
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<li>coretypes</li>
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<li>shaped arrays</li>
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<li>static loop optims</li>
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<li>fast arithmetic overflow</li>
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<li>convert static method to subs</li>
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<li>Config as XS</li>
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<li>strict, attributes, DynaLoader, XSLoader as builtin packages in C</li>
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<li>changed default hash function to FNV1A</li>
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<li>optimize XS calls to enterxssub op</li>
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<li>-DI and -Dk</li>
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<li>security fixes, e.g. HEK supporting taint now, hash keys keep the tainted info</li>
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<li>fix ops using lexical $_</li>
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<li>add some unicode ops</li>
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<li>improved build system (make -s, faster, CC vs LD confusion)</li>
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</ul>
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<h1>Almost ready branches (only minor tests are failing)</h1>
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<ul>
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<li><p>feature/CM-600-cperl-cowrefcnt
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works, but does not do COW yet</p></li>
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<li><p>feature/CM-367-cperl-warnings-xs-carp</p></li>
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<li>feature/CM-367-cperl-carp-builtin</li>
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<li><p>feature/CM-370-cperl-warnings-xs
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much faster and much less memory, but 3 minor scope test fails.</p></li>
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<li><p>feature/CM-317-cperl-signatures3
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2x faster</p></li>
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<li><p>feature/CM-317-cperl-signatures3-CM-690-nl
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newlines in sigs broken</p></li>
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<li><p>feature/CM-916-cperl-no-miniperl
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fix the Makefile deps</p></li>
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<li><p>feature/CM-626-cperl-use-dots
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works, but unsure</p></li>
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</ul>
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<h1>A bit more work is needed for</h1>
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<ul>
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<li><p>feature/CM-713-cperl-native-types
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some compiler fixes needed</p></li>
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<li><p>feature/CM-707-cperl-inline-subs
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some compiler fixes needed</p></li>
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<li><p>feature/CM-712-cperl-types-proto
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constant fold everything</p></li>
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<li><p>feature/CM-322-cperl-new-hash-table
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lots of attempts, but still too hairy. needs a complete hash rewrite probably.</p></li>
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<li><p>feature/CM-910-cperl-multi
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class, method and multi keywords</p></li>
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</ul>
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<h1>Soon</h1>
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<ul>
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<li>user facing types and classes, multiple dispatch</li>
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<li>builtin macros</li>
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<li>builtin ffi</li>
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</ul>
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<p>2015-09-03 rurban</p>

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