I have a complex iPhone app that I originally created as a Master-Detail (Split View) design, but later changed to "normal" (modal) segue from the Master (initial) view controller to the Detail. This was because another view controller in the hierarchy also needed to segue to the Detail view, which then caused memory issues beause of the way split-views are implemented. As far as I can tell, I changed all necessary code and everything worked fine, with no memory leaks or excessive memory use.
However, with all iOS 12.2 betas on all devices (simulator and physical), using Xcode 10.2 betas, there are hundreds of memory leaks within the app, but mostly in the "Detail" view. I'm suspicious that there might be some residual code "behind the scenes" that's causing the problems. The same app under pre iOS 12.2 versions shows no memory leaks: none, zilch, zip.
Has anyone rejigged a split-view controller and if so were there any memory leak issues?
I have filed a bug report, but I'm still wondering if there's a residual issue with the way I made the change.
UPDATE 14 June 2019: Apple has confirmed that this was a bug, which has been fixed as of iOS 12.4 beta 4 (16G5046d).
Thanks, Michaela
