derlying code! 🤗 Diffusers currently only supports callback_on_step_end, but feel free to open a feature request if you have a cool use-case and require a callback function with a different execution point! This guide will demonstrate how callbacks work by a few features you can implement with them.  Dynamic classifier-free guidance Dynamic classifier-free guidance (CFG) is a feature that allows you to disable CFG after a certain number of infe