I want to block the creation of new issues of a certain type and keeping the history of existing issues.
John's right you can't make certain issuetypes available for certain users and some not.
But something that might help is Issue Level Security.
This will allow you to put a control measure in place so that people won't be able to see or do anything with the issuetype unless they belong to a particular security group that you set up.
Here's some documentation, hope it helps
👋 Hi there Jira Community! A few months ago we shared with you plans around renaming epics in your company-managed projects. As part of these changes, we highlighted upcoming changes to epics on...
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