Release Notes 3.0-m6 ("Milestone 6")


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Milestone release advisory

For testing use only

Do not use this release to upgrade your production systems.

This release is a public development release ('milestone') leading up to the next Confluence major release. Development releases are a snapshot of our work in progress, allowing our customers and especially plugin developers to see what we're up to.

Who should upgrade?

Development releases are not production ready. Development releases are snapshots of the ongoing Confluence development process. While we try to keep these releases stable, they have not undergone the same degree of testing as a full release, and could contain features that are incomplete or may change or be removed before the next full release.

No upgrade path. Because development releases represent work in progress, we cannot provide a supported upgrade path between development releases, or from any development release to a final release. You may not be able to migrate any data you store in a Confluence development release to a future Confluence release.

Atlassian does not provide support for development releases.

In supplying milestone releases, our aim is to provide plugin developers with an opportunity to see the latest changes in the code.

Each milestone release has passed all our automatic tests and has been used for one week on our official internal Confluence server. Most of the issues solved have been reviewed too, and all of our milestone releases even have been performance tested for a while.

However, since our milestones releases are timeboxed (that is, they are released every two weeks, no matter how far we have come implementing features and bugfixes) there is always a chance that we have new known bugs that are scheduled to be fixed in the next milestone, or completely new bugs unknown even to us.

Additionally, we have not completed our performance testing and compatibility testing for all supported databases and user management systems. So, for example, a milestone release may behave well on a small installation but show severe problems when subjected to many users.

Upgrade Procedure

Follow the normal upgrade instructions to upgrade your test instance to this release. We strongly recommend that you backup your Confluence home directory and database before upgrading!


All development releases are available from the development releases page on the Atlassian website.


This milestone is mainly about polishing features that were introduced previously, and a bit of back-end work for security and performance. We have fixed plenty of bugs of M5 too, and will keep fixing for M7.

Known issues

Given the recent work that has been done to improve "recent updates" (CONF-14434), updates shown on the dashboard will be affected shortly after the upgrade. You may notice that only changes made _after_ the upgrade will show. This will be rectified as soon as the index is rebuilt.

Improvements and new Features

New PDF Export

  • This milestone contains the first cut of the Improved PDF export, which also give you more control over the conversion process by allowing you to use CSS. Please find the detailed documentaton on CAC. CONF-2079

There are still plenty of known bugs with the new PDF, we included it a bit early to be able to get feedback on the CSS-styling process, not for beta-testing purposes...

Engine Room

The ER team has implemented several more important fixes and improvements in this milestone:

  • supportability - integrated thread-dump tool in the administration screen (CONF-12395)
  • security - editing comments in wiki markup is no longer double-HTML-escaped in anti-XSS mode (CONF-14601)
  • cluster performance - avoid unnecessary updates to distributed cache to improve cluster performance (CONF-14657)
  • general performance - improve performance of retrieving many attachments, like on the attachments page (CONF-14422)
  • front-end performance - add caching headers to attachments rendered with a "?version=x" parameter (CONF-8034).

Office Connector

  • When launching an external editor from Confluence, you don't have to login again. CONF-14705
  • You can now monitor what is in the conversion queue and what is actually being converted CONF-14707

Macro Browser

The following bugs have been fixed:

type key summary assignee reporter priority status resolution created updated due

Data cannot be retrieved due to an unexpected error.

View these issues in Jira

Status and Follow

The following bugs have been fixed:

type key summary assignee reporter priority status resolution created updated due

Data cannot be retrieved due to an unexpected error.

View these issues in Jira


Last modified on Nov 28, 2013

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