Notice (2018-05-24): bugzilla.xamarin.com is now in
Please join us on
Visual Studio Developer Community and in the
Mono organizations on
GitHub to continue tracking issues. Bugzilla will remain
available for reference in read-only mode. We will continue to work
on open Bugzilla bugs, copy them to the new locations
as needed for follow-up, and add the new items under Related
Our sincere thanks to everyone who has contributed on this bug
tracker over the years. Thanks also for your understanding as we
make these adjustments and improvements for the future.
Please create a new report on
Developer Community or GitHub with
your current version information, steps to reproduce, and relevant error
messages or log files if you are hitting an issue that looks similar to
this resolved bug and you do not yet see a matching new report.
Steps to reproduce this issue:
1. Open Or create iOS Storyboard application.
2. Open Storyboards file.
3. Delete View completely from iOS designer.
Actual Result: Getting exception System.ArgumentNullException when user delete view from iOS Designer.
Expected Result: View should delete completely from iOS Designer.
Error details: https://gist.github.com/saurabh360/7994b1b3b08dde4f2a6a
X.S 4.1.8(build 8)
REGRESSION: This is working fine with X.S 4.1.8(build 5)
Seems to be a problem in outlets merging.
Fixed again. There was a bug in a previous commit where I did not null check an object before using it.
I added a regression test for this case too.
*** Bug 13905 has been marked as a duplicate of this bug. ***