This is the release notes for XWiki Commons, XWiki Rendering, XWiki Platform and XWiki Enterprise. They share the same release notes as they are released together and have the same version.

This is a bug fix release including some important improvements such as: asynchronous copy and rename page actions, improved location picker when copying and renaming, ability to omit "WebHome" in wiki links and images syntaxes.

New and Noteworthy (since XWiki 7.4)

Full list of issues fixed and Dashboard for <version>.

Translations

The following translations have been updated: 

Tested Browsers & Databases

The QA Tests are executed after the release has been done. Thus, they are being prepared now and will be published soon.

Known issues

Backward Compatibility and Migration Notes

General Notes

When upgrading make sure you compare your xwiki.cfg, xwiki.properties and web.xml files with the newest version since some configuration parameters may have been modified or added. Note that you should add xwiki.store.migration=1 so that XWiki will attempt to automatically migrate your current database to the new schema. Make sure you backup your Database before doing anything.

Issues specific to XWiki 7.4.1

Mail API Unique Message Identifier

In order to solve XWIKI-12165, the unique identifier of each mime message sent has been changed to a SHA1 based on the Message-ID header and the list of recipients of the mails, ensuring uniqueness during a newsletter or mailing sending. To introduce this change, the MailContentStore and the MailListener API has been broken, and now use a new ExtendedMimeMessage instead of the simple MimeMessage for all arguments. The values messageId returned or used as argument in the API is no more equivalent to the Message-ID header, but is now the unique identifier returned by ExtendedMimeMessage#getUniqueMessageId(). Finally, the MessageMimeMessageFactory now returns cloned MimeMessage without changing the Message-ID.

We've introduced the possibility to explicitly create a link to a Space in XWiki Syntax 2.1, e.g. [[space:Space1.Space2]]. However if you had a subwiki named space the new notation will conflict with the syntax for referencing that wiki. Thus you'll need to edit existing links such as [[space:something]] to [[doc:space:something]]. And if you wish to reference a given space in the space subwiki, you'd write [[space:space:something]].

API Breakages

The following APIs were modified since XWiki 7.4:

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