welcome to Atlassian Community!
This is indeed a broad topic - many people fill their whole work-day with considerations (and implementations) around this topic.
Do you men by "Jira templates" a basic setup for Service Management-related issues like Incidents? Then those articles will be of great help from my experience:
If you should be referring to specialized mail templates (velocity templates) tailored for Incident Management then this document should be a good point to start at.
In case you want to explain your use case further I am sure community is able to follow up and give more specific tips and tricks.
Hello, Atlassian Community! I thought it would be fun to do something different for my teams' last retrospective of 2019 so I'm planning to do a "year in review" with info-graphics. Wha...
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