[wp-trac] [WordPress Trac] #64122: Interactivity API: Add data-wp-router-region directive to the script modules of interactive blocks

WordPress Trac noreply at wordpress.org
Mon Oct 20 22:00:28 UTC 2025


#64122: Interactivity API: Add data-wp-router-region directive to the script
modules of interactive blocks
-------------------------------+--------------------
 Reporter:  luisherranz        |      Owner:  (none)
     Type:  defect (bug)       |     Status:  new
 Priority:  normal             |  Milestone:  6.9
Component:  Interactivity API  |    Version:
 Severity:  normal             |   Keywords:
  Focuses:                     |
-------------------------------+--------------------
 WordPress 6.9 will introduce a new client-side navigation algorithm that
 starts loading JavaScript when you navigate between pages. However,
 loading script modules from non-interactive blocks during navigation isn't
 safe and could cause errors or unexpected behavior. To support this new
 navigation algorithm, we need a way to identify which script modules
 belong to interactive blocks in the HTML. This lets the Interactivity API
 router determine which modules it can safely load during client-side
 navigation and which ones it should skip.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64122>
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