Okay thanks for the precision 
So, I don’t really understand the difference with RFC-24 : Platform 7 with Grey api removal
To enable the removal of the third-party dependencies listed above, we had to ensure they were no longer used in the public API. This means we’ve made changes to the public API of many Atlassian components to decouple them from these third-party dependencies. In some cases, we’ve used the opportunity to consolidate or further restrict the public API where we believe viable alternatives exist. Here’s the full list: