If you are talking about the Confluence End of Life Policy, you can take a look here https://confluence.atlassian.com/display/Support/Atlassian+Support+End+of+Life+Policy
Case if you are talking about a specific plugin, can we have a clarification about which plugin you meant ?
The plugins you’ve mentioned are developed by Junoe.
Since this is a third party plugin, we recommend you to contact directly the plugin’s vendor. On the link below you can find more details:
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG