Public Modpacks

Inform the users that the modpack uses this mod (for crash purposes in world gen); with this, you can use it in the modpack in question;

Otherwise, no;

Spotlights

You can do it without any kind of permission and knowledge from my part;

Let's Plays

You can do it without any kind of permission and knowledge from my part;

Recording and Streaming

Feel free to do it without telling me;

Others

Inform me about the usage of the mod (can be by private message);

You don't need to wait for my answer;