In the upper right corner of the Timeline Panel click the 3 horizontal lines (drop-down menu) and select  Short Medium or Tall from the menu.

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So i'm recently having this Problem where the space between the layers were getting bigger than before and i think this is a preset option or something, but i couldn't find a result for my problem.

https://preview.redd.it/cbepbr5n7ux91.png?width=1000&amp;format=png&amp;auto=webp&amp;s=583bb0cca73998e6d39a2adef598b01e4360fe1b

Timeline Layer Space