https://devzone.nordicsemi.com/f/nordic-q-a/22023/app_mailbox-vs-nrf_queueHi all, What is the difference between the app_mailbox and the nrf_queue api? The documentation says: A) The mailbox library provides functions to safely exchange messages by queuing them and reading them from the queue. Key features includeen-USTelligent Community 13Mon, 22 May 2017 17:34:24 GMThttps://devzone.nordicsemi.com/thread/86414?ContentTypeID=1Mon, 22 May 2017 17:34:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5c290d92-56fc-40e7-b320-293258d4fc55Adam Sillye<p>Use queue. Mailbox is removed.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/86412?ContentTypeID=1Mon, 22 May 2017 17:34:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2f7f25b5-1709-41d9-b7fc-4acb890ff9b8Adam Sillye<p>Well. Thanks for that - this case we don&#39;t rely on mailbox.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/86413?ContentTypeID=1Mon, 15 May 2017 10:39:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:49e76e4d-724d-4158-a167-acc6db026593Hung Bui<p>I don&#39;t have much experience with mailbox and queue but in SDK V13 mailbox is removed. So most likely it&#39;s deprecated and replaced by queue module.</p><div style="clear:both;"></div>