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How to invalidate the block list cache?

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Adrian Cid Almaguer

I need to invalidate the block list cache each time a new configuration entity is created, this is because I have a derivative block to handle dynamically one block for each of my configuration entities. I tried to invalidate the block list with the following code

Drupal\Core\Cache\Cache::invalidateTags(['block_list']);

But when I go to see available blocks I'm not able to see my new block until I clean all the caches on the site.

Usually, when I need to invalidate entity lists from the cache I use the ENTITY-NAME_list tag to do it but this time is not working, maybe I'm missing something here?

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4uk4 avatar Drupal
cn flag
4uk4

Clearing the cache not only invalidates the render cache, but also a lot of other caches. For example all plugin manager discovery caches.

In this case you probably need to invalidate the cache of the block plugin manager:

\Drupal::service('plugin.manager.block')->clearCachedDefinitions();
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cn flag
Adrian Cid Almaguer
Nice answer, I will keep this in mind for the future.
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