what is JIRA patch policy?
this link https://www.atlassian.com/security/security-patch-policy is broken
how frequently major/minor JIRA versions are released?
Check out these web pages.
https://www.atlassian.com/security
https://www.atlassian.com/security/secpol
https://confluence.atlassian.com/display/Support/Atlassian+Patch+Policy
https://confluence.atlassian.com/display/Support/Atlassian+Bug+Fixing+Policy
https://confluence.atlassian.com/display/Support/Atlassian+Support+Offerings
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