You can expand Jira issues in private messages and DMs using the expand Jira issue action.
What to know:
You can use the Expand Jira Issues action anywhere within Slack.
The bot
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must not
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be invited to the channel to use this feature.
Expanding Issues
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Click on a message in Slack.
Choose the action Expand Jira Issues.
View the threaded reply to view the issue information.
If you don't see the Expand Jira Issue action,go to More
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Message Actions to find it.