You can do it with Power Scripts or ScriptRunner addons.
In Power Scripts you can use Live Fields. You can find more info here:
In ScriptRunner you can use behaviour. You can find more info here:
^ What RandyD said.
From what I can tell this not possible in Cloud. It would be an amazing and logical feature. Sadly Atlassian has pushed this aside to add-ons
appears to be the only solution for Cloud and it does not work on Server
As our company evaluates moving away from self hosted to cloud it is sad to see this major issue still effects many in the community and we will likely need to configure this twice or delay it till we move away from Self Hosted.
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