Though the number of JIRA custom fields will affect JIRA's performance, it will always be a combination of several factors. Then there's certain custom fields (Free text field) that has more effect than the others. Have a read:
Just the FAQs! Welcome to the Community, and this Focused-FAQ! Here, we've pulled together some of the most frequently asked questions associated with Jira Service Desk (JSD). We hope ...
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