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1 | =encoding utf8 |
2 | ||
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3 | =head1 NAME |
4 | ||
5 | [ this is a template for a new perldelta file. Any text flagged as | |
6 | XXX needs to be processed before release. ] | |
7 | ||
8 | perldelta - what is new for perl v5.XXX.XXX | |
9 | ||
10 | =head1 DESCRIPTION | |
11 | ||
12 | This document describes differences between the 5.XXX.XXX release and | |
13 | the 5.XXX.XXX release. | |
14 | ||
be83b7f4 DG |
15 | If you are upgrading from an earlier release such as 5.YYY.YYY, first read |
16 | L<perl5YYYdelta>, which describes differences between 5.ZZZ.ZZZ and | |
17 | 5.YYY.YYY. | |
57b3b745 DM |
18 | |
19 | =head1 Notice | |
20 | ||
21 | XXX Any important notices here | |
22 | ||
be83b7f4 DG |
23 | =head1 Core Enhancements |
24 | ||
25 | XXX New core language features go here. Summarise user-visible core language | |
26 | enhancements. Particularly prominent performance optimisations could go | |
27 | here, but most should go in the L</Performance Enhancements> section. | |
28 | ||
29 | [ List each enhancement as a =head2 entry ] | |
30 | ||
31 | =head1 Security | |
32 | ||
33 | XXX Any security-related notices go here. In particular, any security | |
34 | vulnerabilities closed should be noted here rather than in the | |
35 | L</Selected Bug Fixes> section. | |
36 | ||
37 | [ List each security issue as a =head2 entry ] | |
38 | ||
57b3b745 DM |
39 | =head1 Incompatible Changes |
40 | ||
41 | XXX 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 | |
be83b7f4 DG |
50 | XXX Any deprecated features, syntax, modules etc. should be listed here. |
51 | In particular, deprecated modules should be listed here even if they are | |
52 | listed as an updated module in the L</Modules and Pragmata> section. | |
57b3b745 | 53 | |
be83b7f4 | 54 | [ List each deprecation as a =head2 entry ] |
57b3b745 | 55 | |
be83b7f4 DG |
56 | =head1 Performance Enhancements |
57 | ||
58 | XXX Changes which enhance performance without changing behaviour go here. There | |
59 | may well be none in a stable release. | |
60 | ||
61 | [ List each enhancement as a =item entry ] | |
62 | ||
63 | =over 4 | |
64 | ||
65 | =item * | |
66 | ||
67 | XXX | |
68 | ||
69 | =back | |
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70 | |
71 | =head1 Modules and Pragmata | |
72 | ||
42a0894d | 73 | XXX All changes to installed files in F<cpan/>, F<dist/>, F<ext/> and F<lib/> |
88e14305 DG |
74 | go here. If Module::CoreList is updated, generate an initial draft of the |
75 | following sections using F<Porting/corelist-perldelta.pl>, which prints stub | |
76 | entries to STDOUT. Results can be pasted in place of the '=head2' entries | |
77 | below. A paragraph summary for important changes should then be added by hand. | |
78 | In an ideal world, dual-life modules would have a F<Changes> file that could be | |
79 | cribbed. | |
57b3b745 | 80 | |
be83b7f4 DG |
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 |
57b3b745 | 86 | |
be83b7f4 | 87 | =item * |
57b3b745 | 88 | |
be83b7f4 | 89 | XXX |
57b3b745 | 90 | |
be83b7f4 | 91 | =back |
57b3b745 | 92 | |
be83b7f4 | 93 | =head2 Updated Modules and Pragmata |
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94 | |
95 | =over 4 | |
96 | ||
be83b7f4 DG |
97 | =item * |
98 | ||
99 | XXX | |
100 | ||
101 | =back | |
102 | ||
103 | =head2 Removed Modules and Pragmata | |
104 | ||
105 | =over 4 | |
106 | ||
107 | =item * | |
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108 | |
109 | XXX | |
110 | ||
111 | =back | |
112 | ||
be83b7f4 DG |
113 | =head1 Documentation |
114 | ||
115 | XXX Changes to files in F<pod/> go here. Consider grouping entries by | |
116 | file and be sure to link to the appropriate page, e.g. L<perlfunc>. | |
117 | ||
be83b7f4 | 118 | =head2 New Documentation |
57b3b745 DM |
119 | |
120 | XXX Changes which create B<new> files in F<pod/> go here. | |
121 | ||
6f56ac39 | 122 | =head3 L<XXX> |
57b3b745 | 123 | |
6f56ac39 | 124 | XXX Description of the purpose of the new file here |
57b3b745 | 125 | |
be83b7f4 | 126 | =head2 Changes to Existing Documentation |
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127 | |
128 | XXX Changes which significantly change existing files in F<pod/> go here. | |
be83b7f4 DG |
129 | However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics> |
130 | section. | |
57b3b745 | 131 | |
6f56ac39 DG |
132 | =head3 L<XXX> |
133 | ||
be83b7f4 | 134 | =over 4 |
57b3b745 | 135 | |
6f56ac39 | 136 | =item * |
57b3b745 | 137 | |
6f56ac39 | 138 | XXX Description of the change here |
be83b7f4 DG |
139 | |
140 | =back | |
141 | ||
142 | =head1 Diagnostics | |
143 | ||
144 | The following additions or changes have been made to diagnostic output, | |
145 | including warnings and fatal error messages. For the complete list of | |
146 | diagnostic messages, see L<perldiag>. | |
147 | ||
148 | XXX New or changed warnings emitted by the core's C<C> code go here. Also | |
149 | include 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 | ||
155 | XXX Newly added diagnostic messages go here | |
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156 | |
157 | =over 4 | |
158 | ||
159 | =item * | |
160 | ||
161 | XXX | |
162 | ||
163 | =back | |
164 | ||
be83b7f4 | 165 | =head2 Changes to Existing Diagnostics |
57b3b745 | 166 | |
be83b7f4 | 167 | XXX Changes (i.e. rewording) of diagnostic messages go here |
57b3b745 | 168 | |
be83b7f4 DG |
169 | =over 4 |
170 | ||
171 | =item * | |
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172 | |
173 | XXX | |
174 | ||
be83b7f4 DG |
175 | =back |
176 | ||
177 | =head1 Utility Changes | |
178 | ||
179 | XXX Changes to installed programs such as F<perlbug> and F<xsubpp> go | |
180 | here. Most of these are built within the directories F<utils> and F<x2p>. | |
181 | ||
6f56ac39 DG |
182 | [ List utility changes as a =head3 entry for each utility and =item |
183 | entries for each change | |
184 | Use L<XXX> with program names to get proper documentation linking. ] | |
185 | ||
186 | =head3 L<XXX> | |
be83b7f4 DG |
187 | |
188 | =over 4 | |
189 | ||
6f56ac39 | 190 | =item * |
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191 | |
192 | XXX | |
193 | ||
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194 | =back |
195 | ||
196 | =head1 Configuration and Compilation | |
197 | ||
198 | XXX Changes to F<Configure>, F<installperl>, F<installman>, and analogous tools | |
199 | go here. Any other changes to the Perl build process should be listed here. | |
200 | However, any platform-specific changes should be listed in the | |
201 | L</Platform Support> section, instead. | |
202 | ||
203 | [ List changes as a =item entry ]. | |
57b3b745 DM |
204 | |
205 | =over 4 | |
206 | ||
be83b7f4 | 207 | =item * |
57b3b745 DM |
208 | |
209 | XXX | |
210 | ||
211 | =back | |
212 | ||
be83b7f4 | 213 | =head1 Testing |
57b3b745 | 214 | |
be83b7f4 DG |
215 | XXX Any significant changes to the testing of a freshly built perl should be |
216 | listed here. Changes which create B<new> files in F<t/> go here as do any | |
217 | large changes to the testing harness (e.g. when parallel testing was added). | |
218 | Changes to existing files in F<t/> aren't worth summarising, although the bugs | |
219 | that they represent may be covered elsewhere. | |
220 | ||
221 | [ List each test improvement as a =item entry ] | |
57b3b745 DM |
222 | |
223 | =over 4 | |
224 | ||
225 | =item * | |
226 | ||
227 | XXX | |
228 | ||
229 | =back | |
230 | ||
be83b7f4 DG |
231 | =head1 Platform Support |
232 | ||
233 | XXX 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 | |
236 | changes as paragraphs below it. ] | |
237 | ||
238 | =head2 New Platforms | |
57b3b745 | 239 | |
be83b7f4 DG |
240 | XXX List any platforms that this version of perl compiles on, that previous |
241 | versions did not. These will either be enabled by new files in the F<hints/> | |
242 | directories, or new subdirectories and F<README> files at the top level of the | |
243 | source tree. | |
57b3b745 DM |
244 | |
245 | =over 4 | |
246 | ||
be83b7f4 | 247 | =item XXX-some-platform |
57b3b745 DM |
248 | |
249 | XXX | |
250 | ||
251 | =back | |
252 | ||
be83b7f4 | 253 | =head2 Discontinued Platforms |
57b3b745 | 254 | |
be83b7f4 | 255 | XXX List any platforms that this version of perl no longer compiles on. |
57b3b745 DM |
256 | |
257 | =over 4 | |
258 | ||
be83b7f4 | 259 | =item XXX-some-platform |
57b3b745 DM |
260 | |
261 | XXX | |
262 | ||
263 | =back | |
264 | ||
be83b7f4 | 265 | =head2 Platform-Specific Notes |
57b3b745 | 266 | |
be83b7f4 DG |
267 | XXX List any changes for specific platforms. This could include configuration |
268 | and compilation changes or changes in portability/compatibility. However, | |
269 | changes within modules for platforms should generally be listed in the | |
270 | L</Modules and Pragmata> section. | |
57b3b745 DM |
271 | |
272 | =over 4 | |
273 | ||
be83b7f4 | 274 | =item XXX-some-platform |
57b3b745 DM |
275 | |
276 | XXX | |
277 | ||
278 | =back | |
279 | ||
be83b7f4 | 280 | =head1 Internal Changes |
57b3b745 | 281 | |
be83b7f4 DG |
282 | XXX Changes which affect the interface available to C<XS> code go here. |
283 | Other significant internal changes for future core maintainers should | |
284 | be noted as well. | |
57b3b745 | 285 | |
be83b7f4 | 286 | [ List each test improvement as a =item entry ] |
57b3b745 DM |
287 | |
288 | =over 4 | |
289 | ||
290 | =item * | |
291 | ||
292 | XXX | |
293 | ||
294 | =back | |
295 | ||
be83b7f4 | 296 | =head1 Selected Bug Fixes |
57b3b745 | 297 | |
be83b7f4 DG |
298 | XXX Important bug fixes in the core language are summarised here. |
299 | Bug fixes in files in F<ext/> and F<lib/> are best summarised in | |
300 | L</Modules and Pragmata>. | |
57b3b745 | 301 | |
be83b7f4 | 302 | [ List each fix as a =item entry ] |
57b3b745 DM |
303 | |
304 | =over 4 | |
305 | ||
306 | =item * | |
307 | ||
308 | XXX | |
309 | ||
310 | =back | |
311 | ||
be83b7f4 | 312 | =head1 Known Problems |
57b3b745 | 313 | |
be83b7f4 DG |
314 | XXX Descriptions of platform agnostic bugs we know we can't fix go here. Any |
315 | tests that had to be C<TODO>ed for the release would be noted here, unless | |
316 | they were specific to a particular platform (see below). | |
317 | ||
318 | This is a list of some significant unfixed bugs, which are regressions | |
319 | from 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 | ||
327 | XXX | |
328 | ||
329 | =back | |
57b3b745 | 330 | |
345e2394 | 331 | =head1 Obituary |
57b3b745 DM |
332 | |
333 | XXX If any significant core contributor has died, we've added a short obituary | |
334 | here. | |
335 | ||
336 | =head1 Acknowledgements | |
337 | ||
338 | XXX The list of people to thank goes here. | |
339 | ||
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340 | =head1 Reporting Bugs |
341 | ||
342 | If you find what you think is a bug, you might check the articles | |
343 | recently posted to the comp.lang.perl.misc newsgroup and the perl | |
344 | bug database at http://rt.perl.org/perlbug/ . There may also be | |
345 | information at http://www.perl.org/ , the Perl Home Page. | |
346 | ||
7f89f796 | 347 | If you believe you have an unreported bug, please run the L<perlbug> |
57b3b745 DM |
348 | program included with your release. Be sure to trim your bug down |
349 | to a tiny but sufficient test case. Your bug report, along with the | |
350 | output of C<perl -V>, will be sent off to perlbug@perl.org to be | |
351 | analysed by the Perl porting team. | |
352 | ||
353 | If the bug you are reporting has security implications, which make it | |
354 | inappropriate to send to a publicly archived mailing list, then please send | |
355 | it to perl5-security-report@perl.org. This points to a closed subscription | |
356 | unarchived mailing list, which includes all the core committers, who be able | |
357 | to help assess the impact of issues, figure out a resolution, and help | |
358 | co-ordinate the release of patches to mitigate or fix the problem across all | |
359 | platforms on which Perl is supported. Please only use this address for | |
360 | security issues in the Perl core, not for modules independently | |
361 | distributed on CPAN. | |
362 | ||
363 | =head1 SEE ALSO | |
364 | ||
365 | The F<Changes> file for an explanation of how to view exhaustive details | |
366 | on what changed. | |
367 | ||
368 | The F<INSTALL> file for how to build Perl. | |
369 | ||
370 | The F<README> file for general stuff. | |
371 | ||
372 | The F<Artistic> and F<Copying> files for copyright information. | |
373 | ||
374 | =cut |