Forum post and description: https://gov.centrifuge.io/t/post-mortem-of-centrifuge-runtime-upgrade-1012-30-09-22/4618

Send a batch of dispatch calls.

May be called from any origin.

- `calls`: The calls to be dispatched from the same origin. The number of call must not
  exceed the constant: `batched_calls_limit` (available in constant metadata).

If origin is root then call are dispatch without checking origin filter. (This includes
bypassing `frame_system::Config::BaseCallFilter`).

# <weight>
- Complexity: O(C) where C is the number of calls to be batched.
# </weight>

This will return `Ok` in all circumstances. To determine the success of the batch, an
event is deposited. If a call failed and the batch was interrupted, then the
`BatchInterrupted` event is deposited, along with the number of successful calls made
and the error of the failed call. If all were successful, then the `BatchCompleted`
event is deposited.

- The post is about a "post-mortem" or analysis of a recent upgrade to the Centrifuge runtime.
- The upgrade happened on September 30, 2022.
- The post discusses what went well during the upgrade and what issues were encountered.
- It also mentions the steps taken to fix the issues and prevent them from happening again in the future.
- The post provides a detailed technical explanation of the upgrade process for those interested in learning more.

#16 Collator allow list for each invulnerable (emergency proposal)

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