Thanks PoseLab,
I appreciate your help on this. When I deactivate the your plugin, the pages no longer crash.
Here is what I also tried:
I left your plugin activated. Then I created another sidebar that was identical to the current one, but didn’t use your plugin.
Here is a post with a sidebar that includes your plugin(that crashes on iOS):
https://www.thisworldrocks.com/destinations/visting-the-philippines-underground-river/
Here is a post with an identical sidebar EXCEPT it doesn’t have the YouTube Gallery widget on it. This one does not crash: https://www.thisworldrocks.com/travel-planning/10-tips-for-surviving-sasquatch-music-festival/
Dan