update and fields. The fields that can be edited are determined using  Get edit issue metadata.update.parent.set.none to true. Note that the description, environment, and any textarea type custom fields (multi-line text fields) take Atlassian Document Format content. Single line custom fields (textfield) accept a string and don't handle Atlassian Document Format content.overrideScreenSecurity and overrideEditableFlag.curl --location --request PUT '/rest/api/3/issue/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "fields": {
        "customfield_10000": {
            "content": [
                {
                    "content": [
                        {
                            "text": "Investigation underway",
                            "type": "text"
                        }
                    ],
                    "type": "paragraph"
                }
            ],
            "type": "doc",
            "version": 1
        },
        "customfield_10010": 1,
        "summary": "Completed orders still displaying in pending"
    },
    "historyMetadata": {
        "activityDescription": "Complete order processing",
        "actor": {
            "avatarUrl": "http://mysystem/avatar/tony.jpg",
            "displayName": "Tony",
            "id": "tony",
            "type": "mysystem-user",
            "url": "http://mysystem/users/tony"
        },
        "cause": {
            "id": "myevent",
            "type": "mysystem-event"
        },
        "description": "From the order testing process",
        "extraData": {
            "Iteration": "10a",
            "Step": "4"
        },
        "generator": {
            "id": "mysystem-1",
            "type": "mysystem-application"
        },
        "type": "myplugin:type"
    },
    "properties": [
        {
            "key": "key1",
            "value": "Order number 10784"
        },
        {
            "key": "key2",
            "value": "Order number 10923"
        }
    ],
    "update": {
        "components": [
            {
                "set": ""
            }
        ],
        "labels": [
            {
                "add": "triaged"
            },
            {
                "remove": "blocker"
            }
        ],
        "summary": [
            {
                "set": "Bug in business logic"
            }
        ],
        "timetracking": [
            {
                "edit": {
                    "originalEstimate": "1w 1d",
                    "remainingEstimate": "4d"
                }
            }
        ]
    }
}'null