It seems that AccessResult returned by ReorderChildrenAccess is making the block non cachable as max-age is set to 0
This is breaking dynamic cache.
I think it would be good to add have catchable meta
Visit any node page which has local task block enabled.
For authenticated users dynamic-drupal-cache always becomes UNCACHEABLE
Add cachability metadata
Active
3.0
Code (module)
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
This is still an issue https://git.drupalcode.org/project/entity_hierarchy/-/blob/3.x/src/Routi...
This effectively makes every node page uncacheable by DPC for users with access to the Children tab.
Rebased and removed the cache contexts. From manual testing I don't see a local task on non parentable pages, let's see if anything fails.