November 27th, 2017
In Xcode 9 Apple removed the recording configuration options for the Activity Monitor instrument. The replacement is summaries for the system CPU usage, system memory usage, system disk activity, and system network activity. You can access these summaries from the jump bar.
October 5th, 2017
Xcode 9 adds the Undefined Behavior Sanitizer. Undefined Behavior Sanitizer detects undefined behavior in your code, specializing in checking unsafe constructs in C, C++, and Objective-C code. Undefined Behavior Sanitizer is turned off initially. You must enable it in your scheme. Select the Run step in the scheme and click the Diagnostics button at the […]
October 2nd, 2017
Xcode 9 adds Main Thread Checker, a tool that detects when you make AppKit, UIKit, and WebKit calls on a background thread. Main Thread Checker should be enabled automatically when debugging, but you can check your scheme by selecting the Run step and clicking the Diagnostics button at the top of the scheme editor. Make […]
September 25th, 2017
Xcode 9’s Source Control preferences let you specify files to ignore so the version control system won’t track them.
September 21st, 2017
Xcode 9 provides a preview of a new build system that has been built from scratch in Swift. The new build system is supposed to be faster and more reliable. To use the new build system in one of your projects, you must enable the new build system for that project. Choose File > Project […]