The file selection popup on iOS does not always open next to the file select popup. This is possible to replicate on the main page for the angular upload component https://www.telerik.com/kendo-angular-ui/components/uploads/upload/ and the stackblitz as well without any modification

https://stackblitz.com/run/?file=src%2Fapp%2Fapp.component.ts

Screenshot shows that the photo library/choose files popup opens in a seemingly random spot after the user taps it.

I'm using FileSelect as part of a reactive form.  I set file restrictions for allowedExtentions and maxFileSize.  If one of the files violate these restrictions, I would expect the form and the form control to have an error, but both are in VALID state.