requirements for Swift 6.2
Asked on 06/11/2025
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Swift 6.2 introduces several new features and improvements aimed at enhancing safety, performance, and ease of use. Here are some key requirements and features of Swift 6.2:
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Strict Memory Safety: Swift 6.2 introduces a feature called Strict Memory Safety, which requires explicit acknowledgment of unsafe API usage in the source code. This helps identify parts of the code that need extra security attention. This feature is particularly important for components handling untrusted input, such as WebKit and a subsystem of the Messages app. What’s new in Swift
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Concurrency Improvements: Swift 6.2 makes it easier to write single-threaded code by allowing modules or files to be configured to run on the main actor by default. This reduces the need for additional annotations and compiler warnings for non-parallel code. Platforms State of the Union
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Embedded Swift: Swift 6.2 expands support for Embedded Swift, a subset of Swift designed for constrained environments like firmware for embedded devices. This allows developers to write code for low-level software, such as the coprocessor on iOS devices. What’s new in Swift
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Tooling and Workflow Enhancements: Swift 6.2 includes improvements to development workflows, such as verified Swift extensions in VS Code and faster clean build times for projects using macro-based APIs. What’s new in Swift
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Library Updates: The core Swift libraries have been modernized, and new APIs have been introduced to streamline programming tasks, such as launching subprocesses. What’s new in Swift
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Platform Support: Swift 6.2 adds official support for FreeBSD and WebAssembly, allowing developers to build applications for these platforms. What’s new in Swift
These features make Swift 6.2 a robust choice for developing secure, high-performance applications across various platforms and environments.
What’s new in Swift
Join us for an update on Swift. We’ll talk about workflow improvements that make you more productive, and new and modernized library APIs for fundamental programming tasks. We’ll show examples of Swift adoption throughout more layers of the software stack. Finally, we’ll explore new language features for both improving approachability of concurrency, and achieving peak performance when you need it.
Platforms State of the Union
Discover the newest advancements on Apple platforms.
What’s new in Swift
Join us for an update on Swift. We’ll briefly go through a history of Swift over the past decade, and show you how the community has grown through workgroups, expanded the package ecosystem, and increased platform support. We’ll introduce you to a new language mode that achieves data-race safety by default, and a language subset that lets you run Swift on highly constrained systems. We’ll also explore some language updates including noncopyable types, typed throws, and improved C++ interoperability.