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[perl5.git] / Porting / perldelta_template.pod
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1=encoding utf8
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3=head1 NAME
4
5[ this is a template for a new perldelta file. Any text flagged as
6XXX needs to be processed before release. ]
7
8perldelta - what is new for perl v5.XXX.XXX
9
10=head1 DESCRIPTION
11
12This document describes differences between the 5.XXX.XXX release and
13the 5.XXX.XXX release.
14
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15If you are upgrading from an earlier release such as 5.YYY.YYY, first read
16L<perl5YYYdelta>, which describes differences between 5.ZZZ.ZZZ and
175.YYY.YYY.
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18
19=head1 Notice
20
21XXX Any important notices here
22
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23=head1 Core Enhancements
24
25XXX New core language features go here. Summarise user-visible core language
26enhancements. Particularly prominent performance optimisations could go
27here, but most should go in the L</Performance Enhancements> section.
28
29[ List each enhancement as a =head2 entry ]
30
31=head1 Security
32
33XXX Any security-related notices go here. In particular, any security
34vulnerabilities closed should be noted here rather than in the
35L</Selected Bug Fixes> section.
36
37[ List each security issue as a =head2 entry ]
38
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39=head1 Incompatible Changes
40
41XXX For a release on a stable branch, this section aspires to be:
42
43 There are no changes intentionally incompatible with 5.XXX.XXX. If any
44 exist, they are bugs and reports are welcome.
45
be83b7f4 46[ List each incompatible change as a =head2 entry ]
57b3b745 47
be83b7f4 48=head1 Deprecations
57b3b745 49
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50XXX Any deprecated features, syntax, modules etc. should be listed here.
51In particular, deprecated modules should be listed here even if they are
52listed as an updated module in the L</Modules and Pragmata> section.
57b3b745 53
be83b7f4 54[ List each deprecation as a =head2 entry ]
57b3b745 55
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56=head1 Performance Enhancements
57
58XXX Changes which enhance performance without changing behaviour go here. There
59may well be none in a stable release.
60
61[ List each enhancement as a =item entry ]
62
63=over 4
64
65=item *
66
67XXX
68
69=back
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70
71=head1 Modules and Pragmata
72
42a0894d 73XXX All changes to installed files in F<cpan/>, F<dist/>, F<ext/> and F<lib/>
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74go here. If Module::CoreList is updated, generate an initial draft of the
75following sections using F<Porting/corelist-perldelta.pl>, which prints stub
76entries to STDOUT. Results can be pasted in place of the '=head2' entries
77below. A paragraph summary for important changes should then be added by hand.
78In an ideal world, dual-life modules would have a F<Changes> file that could be
79cribbed.
57b3b745 80
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81[ Within each section, list entries as a =item entry ]
82
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83=head2 New Modules and Pragmata
84
be83b7f4 85=over 4
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be83b7f4 87=item *
57b3b745 88
be83b7f4 89XXX
57b3b745 90
be83b7f4 91=back
57b3b745 92
be83b7f4 93=head2 Updated Modules and Pragmata
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94
95=over 4
96
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97=item *
98
99XXX
100
101=back
102
103=head2 Removed Modules and Pragmata
104
105=over 4
106
107=item *
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108
109XXX
110
111=back
112
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113=head1 Documentation
114
115XXX Changes to files in F<pod/> go here. Consider grouping entries by
116file and be sure to link to the appropriate page, e.g. L<perlfunc>.
117
be83b7f4 118=head2 New Documentation
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119
120XXX Changes which create B<new> files in F<pod/> go here.
121
6f56ac39 122=head3 L<XXX>
57b3b745 123
6f56ac39 124XXX Description of the purpose of the new file here
57b3b745 125
be83b7f4 126=head2 Changes to Existing Documentation
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127
128XXX Changes which significantly change existing files in F<pod/> go here.
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129However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics>
130section.
57b3b745 131
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132=head3 L<XXX>
133
be83b7f4 134=over 4
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6f56ac39 136=item *
57b3b745 137
6f56ac39 138XXX Description of the change here
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139
140=back
141
142=head1 Diagnostics
143
144The following additions or changes have been made to diagnostic output,
145including warnings and fatal error messages. For the complete list of
146diagnostic messages, see L<perldiag>.
147
148XXX New or changed warnings emitted by the core's C<C> code go here. Also
149include any changes in L<perldiag> that reconcile it to the C<C> code.
150
151[ Within each section, list entries as a =item entry ]
152
153=head2 New Diagnostics
154
155XXX Newly added diagnostic messages go here
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156
157=over 4
158
159=item *
160
161XXX
162
163=back
164
be83b7f4 165=head2 Changes to Existing Diagnostics
57b3b745 166
be83b7f4 167XXX Changes (i.e. rewording) of diagnostic messages go here
57b3b745 168
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169=over 4
170
171=item *
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172
173XXX
174
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175=back
176
177=head1 Utility Changes
178
179XXX Changes to installed programs such as F<perlbug> and F<xsubpp> go
180here. Most of these are built within the directories F<utils> and F<x2p>.
181
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182[ List utility changes as a =head3 entry for each utility and =item
183entries for each change
184Use L<XXX> with program names to get proper documentation linking. ]
185
186=head3 L<XXX>
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187
188=over 4
189
6f56ac39 190=item *
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191
192XXX
193
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194=back
195
196=head1 Configuration and Compilation
197
198XXX Changes to F<Configure>, F<installperl>, F<installman>, and analogous tools
199go here. Any other changes to the Perl build process should be listed here.
200However, any platform-specific changes should be listed in the
201L</Platform Support> section, instead.
202
203[ List changes as a =item entry ].
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204
205=over 4
206
be83b7f4 207=item *
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208
209XXX
210
211=back
212
be83b7f4 213=head1 Testing
57b3b745 214
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215XXX Any significant changes to the testing of a freshly built perl should be
216listed here. Changes which create B<new> files in F<t/> go here as do any
217large changes to the testing harness (e.g. when parallel testing was added).
218Changes to existing files in F<t/> aren't worth summarising, although the bugs
219that they represent may be covered elsewhere.
220
221[ List each test improvement as a =item entry ]
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222
223=over 4
224
225=item *
226
227XXX
228
229=back
230
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231=head1 Platform Support
232
233XXX Any changes to platform support should be listed in the sections below.
234
235[ Within the sections, list each platform as a =item entry with specific
236changes as paragraphs below it. ]
237
238=head2 New Platforms
57b3b745 239
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240XXX List any platforms that this version of perl compiles on, that previous
241versions did not. These will either be enabled by new files in the F<hints/>
242directories, or new subdirectories and F<README> files at the top level of the
243source tree.
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244
245=over 4
246
be83b7f4 247=item XXX-some-platform
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248
249XXX
250
251=back
252
be83b7f4 253=head2 Discontinued Platforms
57b3b745 254
be83b7f4 255XXX List any platforms that this version of perl no longer compiles on.
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256
257=over 4
258
be83b7f4 259=item XXX-some-platform
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260
261XXX
262
263=back
264
be83b7f4 265=head2 Platform-Specific Notes
57b3b745 266
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267XXX List any changes for specific platforms. This could include configuration
268and compilation changes or changes in portability/compatibility. However,
269changes within modules for platforms should generally be listed in the
270L</Modules and Pragmata> section.
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271
272=over 4
273
be83b7f4 274=item XXX-some-platform
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275
276XXX
277
278=back
279
be83b7f4 280=head1 Internal Changes
57b3b745 281
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282XXX Changes which affect the interface available to C<XS> code go here.
283Other significant internal changes for future core maintainers should
284be noted as well.
57b3b745 285
be83b7f4 286[ List each test improvement as a =item entry ]
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287
288=over 4
289
290=item *
291
292XXX
293
294=back
295
be83b7f4 296=head1 Selected Bug Fixes
57b3b745 297
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298XXX Important bug fixes in the core language are summarised here.
299Bug fixes in files in F<ext/> and F<lib/> are best summarised in
300L</Modules and Pragmata>.
57b3b745 301
be83b7f4 302[ List each fix as a =item entry ]
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303
304=over 4
305
306=item *
307
308XXX
309
310=back
311
be83b7f4 312=head1 Known Problems
57b3b745 313
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314XXX Descriptions of platform agnostic bugs we know we can't fix go here. Any
315tests that had to be C<TODO>ed for the release would be noted here, unless
316they were specific to a particular platform (see below).
317
318This is a list of some significant unfixed bugs, which are regressions
319from either 5.XXX.XXX or 5.XXX.XXX.
320
321[ List each fix as a =item entry ]
322
323=over 4
324
325=item *
326
327XXX
328
329=back
57b3b745 330
345e2394 331=head1 Obituary
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332
333XXX If any significant core contributor has died, we've added a short obituary
334here.
335
336=head1 Acknowledgements
337
338XXX The list of people to thank goes here.
339
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340=head1 Reporting Bugs
341
342If you find what you think is a bug, you might check the articles
343recently posted to the comp.lang.perl.misc newsgroup and the perl
344bug database at http://rt.perl.org/perlbug/ . There may also be
345information at http://www.perl.org/ , the Perl Home Page.
346
7f89f796 347If you believe you have an unreported bug, please run the L<perlbug>
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348program included with your release. Be sure to trim your bug down
349to a tiny but sufficient test case. Your bug report, along with the
350output of C<perl -V>, will be sent off to perlbug@perl.org to be
351analysed by the Perl porting team.
352
353If the bug you are reporting has security implications, which make it
354inappropriate to send to a publicly archived mailing list, then please send
355it to perl5-security-report@perl.org. This points to a closed subscription
356unarchived mailing list, which includes all the core committers, who be able
357to help assess the impact of issues, figure out a resolution, and help
358co-ordinate the release of patches to mitigate or fix the problem across all
359platforms on which Perl is supported. Please only use this address for
360security issues in the Perl core, not for modules independently
361distributed on CPAN.
362
363=head1 SEE ALSO
364
365The F<Changes> file for an explanation of how to view exhaustive details
366on what changed.
367
368The F<INSTALL> file for how to build Perl.
369
370The F<README> file for general stuff.
371
372The F<Artistic> and F<Copying> files for copyright information.
373
374=cut