Wont swap out floating, modal, or preference toolbar windows
Set collectionBehavior flags
Preferences
Renamed to system settings
New form control, Form {}.formStyle(.insetGrouped)
Custom prefpane bundle will still work
In app preferences were renamed to settings. So stop using “preferences” in other places
Controls
NSComboButton. immediate button action and pull down menu.
NSColorWell. New default look. new styles too, minimal and expanded which is minimal and default side by side.
NSToolbar. set immovable items. item:canBeInsertedAt: for fine grained control. centeredItemIdentifiers. possibleLabels to layout based on the longest possible label.
NSAlert. Wider alert layout for long descriptions.
NSTableView. improved performance for variable height cells, by estimating heights and lazy calling heightOfRow.
SFSymbols
SFSymbols 4.
Symbols will have a preffered rendering mode.
Variable symbols for audio or wifi etc. add a floating point number.
Sharing
NSSharingServicePicker
Creates a standard menu item that can be included in custom menus