Disable pinch-to-zoom, fixes #8850

src/atom-environment.coffee

@@ -1,5 +1,6 @@
 crypto = require 'crypto'
 path = require 'path'
+webFrame = require 'web-frame'
 
 _ = require 'underscore-plus'
 {deprecate} = require 'grim'
@@ -188,6 +189,9 @@ class AtomEnvironment extends Model
     @stylesElement = @styles.buildStylesElement()
     @document.head.appendChild(@stylesElement)
 
+    # Disable pinch-to-zoom.
+    webFrame.setZoomLevelLimits(1, 1)
+
     @keymaps.subscribeToFileReadFailure()
     @keymaps.loadBundledKeymaps()