Check out the Leaks tool in Instruments (inside Xcode.app) —Rob
> On Nov 27, 2018, at 3:56 PM, Casey McDermott <supp...@turtlesoft.com> wrote: > > Our main window has a tool bar across the top, an outline view on the left, > and a tab view on the right. Choosing an item from the outline view fills a > data entry screen into a new tab on the right. > > We started out using OS 10.11, but just switched to newer OS versions. 10.12 > has a couple display quirks but runs OK. In 10.13 and newer, switching tabs > often crashes. It gives a warning about releasing a data entry field that is > already released. > > In C++, we would diagnose this with a breakpoint in the destructor and then > check the stack trace. But with ARC, a breakpoint at dealloc just shows > performDelayedCleanup and then main. No clues to what's wrong. > > Is there lore or are there tools for tracking object lifetimes in Obj-C/ARC? > > Anything that changed in 10.13 that might be biting us? > > Thanks, > > Casey McDermott > TurtleSoft.com > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/petrock%40mac.com > > This email sent to petr...@mac.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com