Malcolm Hall

Nasty bug in iOS 13 beta UIViewControllerShowDetailTargetDidChangeNotification, it posts with the wrong object: UISplitViewControllerPanelImpl instead of UISplitViewController http://www.openradar.appspot.com/radar?id=4956722791710720 …

Core Data's Derived Attributes are broken in Xcode 11 beta 5. Mine is simply attendees.@count no values getting set at all. I was going to submit feedback to request them being updated on DidChange instead of DidSave but seems they have bigger problems to fix now.

Yes! In iOS 13 beta 4 Apple fixed the bug I submitted about the split view in beta 1. http://www.openradar.appspot.com/radar?id=4968559721578496 …

Xcode 11 beta 4 mistakenly uses the "Other Declarations" light blue colour for method names, great.

Does anyone else's whole Mac hang for 5 seconds every few minutes if they have Twitter open in a Safari tab? I have Adblock and Ghostery extensions enabled.

Today is probably the last chance to buy Bitcoin under $10k

I've submitted a suggestion to improve the API design of UITableViewDiffableDataSource FB6169325 http://www.openradar.appspot.com/radar?id=4949630693408768 … #iOS13Beta2 #WWDC2019

Don't accidentally set UISplitViewControllerBackgroundStyleSidebar in an iPhone app or you'll get weird appearance calls, like master's disappear then appear when rotating from portrait to landscape and no UIViewControllerShowDetailTargetDidChangeNotification

#WWDC19 UICollectionViewDiffableDataSource and UITableViewDiffableDataSource seem ripe for a class cluster UIDiffableDataSource with initialisers diffableDataSourceWithCollectionView and diffableDataSourceWithTableView

#WWDC19 5 presentations on the new iPad app multiple window scene APIs and not a single code sample!

#WWDC19 iOS 13 UISplitViewController has changed from UISplitViewControllerClassicImpl to UISplitViewControllerPanelImpl so retest collapsing and seperating especially if you were relying on default behaviour. It doesn't seem to be preserving the detail correctly in my case.

Also not using CKReference for foreign keys so no integrity of one to many relations on the server. Their reference field is simply a string.

#WWDC19 sadly Core Data CloudKit isn't using CKReference for related records, just using a string field, thus losing integrity. I was really hoping they would make the public the CKReferenceActionValidate that Notes uses for e.g. the one-to-many folder notes relation.

So they require you to make a whole record for each field, great.

they made the live feed hard to find this year, here it is, the session is starting now https://developer.apple.com/wwdc19/live/#!/room/hall-3 …

Seems to me they are using CKRecordSaveAllKeys instead of CKRecordSaveIfServerRecordUnchanged, and then syncing down on the record already modified error, maybe they have a reason for this design, looking forward to the session on it later.

#WWDC2019 So CloudKit Core Data Sync doesn't merge in remote changes before syncing up the modified local record, and sends whole record not just changed fields, causing it to overwrite whatever changes another device made that was not yet received, seems like a dealbreaker.