Released 29 April 2006.
-The 1.x series changed a great deal over the more than 50 releases in its
-lifetime. It is now in maintenance mode, only security issues or really bad
-bugs will be fixed in 1.x going forward. 1.x will stop being supported with
-the release of 3.0.
+The 1.X series is no longer supported.
----
Released 30 April 2007.
-The 2.x series is expected to undergo continuing development for some time,
-adding improvements and new features, but avoiding changes that break
-backwards compatability.
+The 2.x series is now in maintenance mode. Only security fixes and fixes for
+really bad bugs will be applied going forward.
----
# 3.0
-Version 3.0 will be an opportunity to make significant transitions.
-
-* Default to using `prefix_directives`.
-* Default to using `aggregateinternal`.
-* Remove deprecated prefs form settings for `allowed_attachments` and
- `locked_pages`.
-* Finalise a new version of the plugin API, exporting additional commonly
- used functions from IkiWiki.pm. See [[todo/firm_up_plugin_interface]]
-
-It will include a vast number of new features, bugfixes, and other
-improvements, far too many to list here.
-
-Release is planned for fall, 2008.
+Version 3.0 is an opportunity to make significant transitions.
+Read [[tips/upgrade_to_3.0]] for the steps you will need to
+follow when upgrading your wiki to this version.
+
+The highlights of the changes in version 3.0 include:
+
+* Support for uploading [[attachments|plugins/attachment]].
+* Can [[plugins/rename]] and [[plugins/remove]] pages and files via the web.
+* [[Web_based_setup|plugins/websetup]].
+* Blog-style [[plugins/comments]] as an alternative to Discussion pages.
+* Many other new plugins including [[plugins/htmlbalance]], [[plugins/format]],
+ [[plugins/progress]], [[plugins/color]], [[plugins/autoindex]],
+ [[plugins/cutpaste]], [[plugins/hnb]], [[plugins/creole]], [[plugins/txt]],
+ [[plugins/amazon_s3]], [[plugins/pinger]], [[plugins/pingee]],
+ [[plugins/edittemplate]]
+* The RecentChanges page is compiled statically, not generated from the CGI.
+* Support for additional revision control systems: [[rcs/bzr]],
+ [[rcs/monotone]]
+* Support for [[tips/untrusted_git_push]].
+* A new version (3.00) of the plugin API, exporting additional
+ commonly used functions from `IkiWiki.pm`.
+* Nearly everything in ikiwiki is now a plugin, from WikiLinks to page
+ editing, to RecentChanges.
+* Far too many bug fixes, features, and enhancements to list here.
+
+Released 31 December, 2008.
+
+The 3.x series is expected to undergo continuing development for some time,
+adding improvements and new features, but avoiding changes that break
+backwards compatability.
----
+# compatability breaking changes
+
+Probably incomplete list:
+
+* Drop old `--getctime` option.
+* Remove compatability code in `loadindex` to handle old index data layouts.
+* Make pagespecs match relative by default? (see [[discussion]])
+* Flip wikilinks? (see [[todo/link_plugin_perhaps_too_general?]])
+* YADA format setup files per default?
+* Enable tagbase by default (so that tag autocreation will work by default).
+ Note that this is already done for wikis created by `auto-blog.setup`.
+* [[tips/html5]] on by default (some day..)
+* Remove support for old `.ikiwiki/comments_pending` from comment plugin.
+* Use yaml formatted setup files by default. (Not too compatability breaking
+ really.)
+
+In general, we try to use [[ikiwiki-transition]] or forced rebuilds on
+upgrade to deal with changes that break compatability. Some things that
+can't help with.
+
# future goals
* Conversion support for existing other wikis.