Sidehistorik
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JIRA field can by updated by GUI and programmatically (CLI, RCP, SOAP)
Tabbed input:
Fields / Links to Configuration Items from/to other JIRA Issues - Hostname lookup on the Summary field works
an alternative to linking could be a (multi)select field on issues in JIRA - like Kepler DB Lookup - https://marketplace.atlassian.com/plugins/com.keplerrominfo.jira.plugins.databasecf
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