Changing the number of visible channels in Blender Video Editing

By default, there are 7 lines allocated for displaying channels with strips in the Blender user interface, in the Video Sequencer area. If all of them are not used in video editing, it will not be possible to hide unnecessary ones by simply scaling the area size.


However, this can be done by scaling the entire area interface.

Read more: https://b3d.interplanety.org/en/changing-the-number-of-visible-channels-in-blender-video-editing/