• Output of node_modules/.bin/electron --version: 3.0.4, 4 beta
• Operating System (Platform and Version): Linux
• Output of node_modules/.bin/electron --version on last known working Electron version (if applicable): I have app in 2.0.0 (2.0.11) that works

Expected Behavior
I should see tooltip

Actual behavior
No tooltip is visible

To Reproduce
If you provide a URL, please list the commands required to clone/setup/run your repo e.g.

$ git clone https://github.com/hovancik/electron-tooltip-bug
$ npm install
$ npm start || electron .