We use Jira Core since About 2 years.
In some of our Workflows we used the Field Description of the Summary field to automatically fill and hide it.
Here's the relating script:
// TODO: fetch ur summary value here
var summary_value = "Neuer Vorgang";
Unfortunatly since we updated to Jira Version 8.7.1, the script seems not to be executed anymore but is shown on the create issue screens.
With Version 8.6.1 the description wasn't shown and the script was executed.
Disabling HTML in custom fields description
Status: IMPLEMENTED (eap 02)
We’re changing the default behavior of one of the global settings: Enable HTML in custom field descriptions and list item values. Now, it will be OFF by default. If your instance relies on having this option enabled, make sure to change it in Administration > System > General configuration.
Sorry for any confusion. I'm not an Atlassian developer. I'm just part of the community.
I copied the response above from the sited link - Preparing for Jira 8.7 | Atlassian Support | Atlassian Documentation
Have you tried to enable to see if it works as expected?
Also, maybe full re-index may help after upgrade? Are you using built in jvm or other jvm?
Currently, I'm running 8.16.1 on my instance.
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