Pages created with new editor do not style nested Jira macro
For the new page editor a Jira single issue macro that is nested in a rich-text body macro (either staticContentMacro or dynamicContentMacro): the Jira macro renders as a plain link instead of a styled Jira link.
This is an Atlassian Confluence bug. We have reported it to them and they opened this bug:
CONFCLOUD-70690 Fabric editor does not style nested Jira macro
Please add your vote to the Atlassian bug.
In this screenshot the first Jira macro is placed directly on the page and renders a styled Jira link. The second Jira macro is nested in one a Multiexcerpt macro and renders a plain link:
Things work fine for old/original pages. It is only the new/fabric pages where the problem exists.