new Event does not work in IE11, and unfortunately neither does the polyfill from MDN and this question: Internet Explorer 9, 10 & 11 Event constructor doesn't work, since they rely on document.createEvent.

[ItsMeDelanoDev]

Note: for support questions, please use the Universal Slack Channcel or https://gitter.im/angular/universal

• I'm submitting a ...

• bug report
• feature request

• Which parts of preboot are affected by this issue?

• server side
• client side
• inline
• build process
• docs
• tests

• Do you want to request a feature or report a bug?
  A bug

• What is the current behavior?
  'new Event' does not work in IE11, and unfortunately neither does the polyfill from MDN.
  The error raised is: Object doesn't support this action

• If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem by creating a github repo.
  Just launch the application on IE11 with buffer enabled.

• What is the expected behavior?
  It should work for IE11 I think.

• What is the motivation / use case for changing the behavior?
  It should work for IE11 I think.

• Please tell us about your environment:

• Browser: [ IE 11 ]
• Language: [ ES5 ]
• OS: [ Windows ]
• Platform: [all | NodeJs | Java | PHP | .Net | Ruby]

• Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. stackoverflow, gitter, etc)

https://stackoverflow.com/questions/26596123/internet-explorer-9-10-11-event-constructor-doesnt-work
https://stackoverflow.com/questions/41575405/event-constructor-in-worker-on-ie11

[ItsMeDelanoDev]

Either this or #63 seems to crash on IE11 for our application. Result is 2 tags, where the cleanup/replay with buffer seems to fail.

I'll try again if and when this is solved for older browsers.

[ItsMeDelanoDev]

Found a relation between caching html + bundles & preboot, failing on IE11.

[CaerusKaru]

@dneeleman Can you elaborate on that?