Entry #1480 of this feedback says that it is already done, but it is not. You cannot schedule or publish a normal IG post with a reminder in the mobile app, instead of publishing automatically. In stories and reels you can, but in normal posts, no. It’s necessary to be able to tag 5 collaborators instead of the 3 that your app allows.
yes and also to add music. come on Publer, you can do this!