Hey all - we have crushed the bug that caused crashes during export.
If you have turned on Automatic Updates, you should already have the latest version, if not, go to Testflight and hit Update on the 5.70.0 (2369) version.
Thanks for all the pictures, stories you have posted so far related to the new Visualization feature. Keep them coming!!
You can sign up to the Visualization Beta through the following thread