cant undo !! please help

[reza152]

hi. i cant undo after i hit ctrl+m and render my composition.its really bothersome. why it happens? please help if u know the solution.

[Todd_Kopriva · Accepted solution]

‌The undo stack is purged before rendering through the render queue to clear memory for maximum render speed. If you need to go back, you can go back to one of your auto-saved projects or one of your incremental saves.

[rafałd24061014]

Who thought this "feature" would be useful?