This behavior changed in 10.12 for applications linked against that SDK or later. It’s listed in the “Behavioral changes” section of the Core Data release notes for that year: https://developer.apple.com/library/archive/releasenotes/General/WhatNewCoreData2016/ReleaseNotes.html#//apple_ref/doc/uid/TP40017342-CH1-DontLinkElementID_10 <https://developer.apple.com/library/archive/releasenotes/General/WhatNewCoreData2016/ReleaseNotes.html#//apple_ref/doc/uid/TP40017342-CH1-DontLinkElementID_10>
There's a documentation bug to correct the information on the NSManagedObjectContext class doc. I’ll give it a little bump. Going forward, you can set the undoManager property with your own NSUndoManager after you’ve initialized the context. - Jeff > On Sep 5, 2018, at 7:33 PM, Dave Fernandes <dave.fernan...@utoronto.ca> wrote: > > The docs say: > "In macOS, a context provides an undo manager by default; on iOS, the undo > manager is nil by default.” > > However, I am finding on macOS 10.13.6, the undoManager is always nil when > creating a MOC. Is this new behavior expected for High Sierra, or is it a bug? > _______________________________________________ > > 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/jnadeau%40apple.com > > This email sent to jnad...@apple.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
