Brush component persists after closing the beta terrain editor

I was messing around with the beta terrain editor announced in Terrain Cylinders, Perfect Flatness, and a Fresh New Look. An issue I noticed is that if you close the terrain editor while a brush is active, it will persist until you close the studio session.

This impacts my workflow because I have to continuously restart studio after using the terrain editor to prevent accidentally generating new terrain (the brush still functions).

Steps to reproduce the issue:

  1. Enable the beta terrain editor in studio → beta features.
  2. Open the editor and navigate to the “Build” tab.
  3. Select add or subtract.
  4. Close the terrain editor.

I am running Roblox Studio version 0.406.0.351423 (64-bit) on a Windows 10 machine.

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