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Decimal Fields might omit decimals when full numbers are entered.
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Secure Fields in issue navigator
In the Issue Navigator (Filters → View all issues), secure fields will not function as intended due to an Atlassian limitation that ignores permissions on this screen. To maintain privacy and respect view permissions, secure fields are not displayed in the Issue Navigator. Instead, you will see "Map of 1 Element" where the secure field would normally appear. View permissions for secure fields are not supported in the Issue Navigator and can only be enforced in all other view screens.
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