<ul><li>The book 'Swift Gems' has received a major update, including new techniques and examples based on recent and past Swift releases.</li><li>The updated edition focuses on practical tips for experienced Swift developers, covering topics such as optionals, generics, async programming, and collection performance.</li><li>New techniques introduced in the update include working with noncopyable types, static dispatch, metatype key paths, AsyncStream, TaskGroup, and enhancing error handling.</li><li>Existing tips in the book have also been refreshed with updated examples.</li></ul>

"Swift Gems" book update: new techniques from recent and past Swift releases

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