as John said you can't create cross-project releases in Jira. The only solution, for now, is to maintain versions manually in multiple projects or use a Jira app to do this for you.
I wrote a post about this topic a few months back, you can have a look here: https://community.atlassian.com/t5/Marketplace-Apps-Integrations/How-to-share-releases-between-projects-with-Cross-project/ba-p/1354688
I hope this helps :)
I would like to suggest another alternative which can solve your problem, hope it will some your problem and improve a few more related areas.
We have created Release management add on for Jira data centre and Jira cloud which helps to create cross-project versions in Jira. It also can help to synchronize versions between multiple projects and compose packages of multiple versions.
Out of the box, there are a few more handy features, such as:
Hope it will help you to automate daily release routines.
Hey there Cloud Community members! We’re excited to give you the first glimpse of the new home for business teams on Jira — Jira Work Management. Jira Work Management is the next generation of J...
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