Not works in IOS

[djcors]

Bug Report or Feature Request (mark with an x)

- [ ] Regression (a behavior that used to work and stopped working in a new release)
- [ X] Bug report -> please search issues before submitting
- [ ] Feature request
- [ ] Documentation issue or request

when i try view a pdf in Safari or chrome using iOS, the page crash and then is reloaded all content, deleting the page cache too

I cannot see any log or error in console.