- 
    Suggestion 
- 
    Resolution: Fixed
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    None
NOTE: This suggestion is for JIRA Cloud. Using JIRA Server? See the corresponding suggestion.
Maybe you can just incorporate this plugin which, unfortunately, is not available for OnDemand instances
https://marketplace.atlassian.com/plugins/com.atlassian.plugins.jira-html5-attach-images
- incorporates
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                    JRACLOUD-31039 Attach screenshot in linux - Closed
 
- is related to
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                    JRASERVER-36565 Implement "HTML5" image paste - Closed