Render html ajax in console is blanc result

My actions by steps

1. Go to DevTools before open this page or reload this page after
   
2. Expand request and go to Response tab. Response is blanc =(
   
3. Click to Show code switcher. Content a exists!
   
4. If i go to tab Network - Response was rendered ok.
   
5. I looking this bug after update to 107 release. Before was all ok.