Open Radar

 
The new Xcode does not require manual property synthesization anymore, which is a nice improvement.

However I'd much rather be able to manually control implicit synthesization on a per-class basis.

My proposal:

@interface MYObject : NSObject

@property (strong) NSString *foo;
@property (strong) NSString *bar;

@end

@implementation MYObject

// The next line enables implicit property synthesization for MYObject:
@synthesize;

// Optionally one could provide an ivar pattern:
@synthesize (_@);  // would be equivalent to "@synthesize foo = _foo; @synthesize bar = _bar;"

@end

Xcode would then add the "@synthesize;" line to each newly created class implementation by default (or even provide a project-wide setting via checkbox on project creation).
If one would rather not have any properties implicitly synthesized for a certain class, one would simply have to remove the "@synthesize;" from its implementation.