Jira Service Desk 4.5.x upgrade notes

Jira Service Desk Release Notes

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Below are some important notes on upgrading to Jira Service Desk 4.5. For details on the new features and improvements in this release, see the Jira Service Desk 4.5.x release notes.

 Summary of changes


Upgrade notes

We normally do not introduce new features in the Enterprise release but rather consolidate the ones we've introduced since the last Enterprise releases. See our change log for all the features and fixes between the last ERs. Learn more

4.5.4: Support for PostgreSQL 10

We've added PostgreSQL 10 to the list of supported platforms. For more info, see Supported platforms.

4.5.4: G1 GC enabled by default for Java 11

If you’re running Jira with Java 11, Garbage First Garbage Collection (G1 GC) will be enabled by default. We’ve already been recommending this method when tuning garbage collection, so now you’ll get it out of the box. G1 GC is more efficient and improves performance, especially in environments with large Java heap.

Java version

Default GC

Recommended GC

Java 11G1 GC
  • G1 GC for large Java heap
  • ParallelGC for small Java heap*
Java 8ParallelGCParallelGC

*Our performance tests have shown that you might benefit from ParallelGC if you have a relatively small Java heap. The difference is not big, but you can consider switching back to ParallelGC if you’re having problems with performance.

How do I change the GC method?

To change the default GC method:

  1. Stop Jira.

  2. Edit the setenv.sh/.bat file, and search for JVM_GC_ARGS. You’ll find available parameters described inside.

  3. If you’re running Jira as a service on Windows, you’ll also need to modify the gc-params-service.bat file.

4.5.4: Changes in the issue collector

The upcoming update of the Chrome browser introduces new cookie security features, which would essentially break the issue collectors embedded on separate domains. We’ve fixed this problem, but this brought some changes to how issue collectors work:

  • You can no longer match the submitter’s user session to make them the issue reporter. You can still match them by using their email address.

  • You don’t have to enable 3rd party cookies to make the issue collector work. We’ve removed this requirement, also dropping some error messages that reminded about it.

  • The project and issue key will no longer be displayed in the success message after submitting feedback (unless the project is open to Anyone on the web). We did this to improve security by not disclosing information about projects and issues.

For more info on the issue collector, see Using the issue collector.


End of support announcements

In Jira Service Desk 4.5, we're making the following changes:

  • Advance notice: Deprecating Internet Explorer 11. Jira Service Desk 4.5 will be the last release to support this version of IE. That means that after it reaches "end of life" in 2021, we'll stop all support related to IE 11, and we'll no longer test Jira on IE 11.

For more information, see End of support announcements.


App developers

See Preparing for Jira 8.5 for any important changes regarding apps.


Upgrade procedure

We've prepared a dedicated upgrade guide for upgrading between Enterprise releases. See Enterprise release upgrade guide.

Last modified on Mar 23, 2020

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