Bad Unicode Character Display on JIRA Web Interface using Firefox
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Symptoms
There are some missing icon or image in the User Interface (UI) and showing something like bad unicode character
Other browser (Firefox) on other machines works fine
Problem only occurs on a particular browser and happen to all JIRA including Atlassian Support System and Atlassian JIRA Public Bug Tracking
The user interface is showing something similar like the following screenshot
Diagnosis
Switching browser character encoding has no effect on the issue
Private browsing does not work
Cause
It is because the following is set in
prefs.jswhich can be set in Options > Advanced Font Setting
1
user_pref("browser.display.use_document_fonts", 0);Solution
Resolution
Go to Options > Content tab > Advanced Font settings
Tick or enable "Allow pages to choose their own fonts, instead of my selections above"
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