Zig 0.17.0 Release Notes
Zig 0.17.0, a general-purpose programming language and toolchain, has been released. This release is the result of 5 months of work by 206 contributors, spread across 925 commits. The development of Zig is funded by the Zig Software Foundation, a 501(c)(3) non-profit organization.
The new version introduces several significant changes. The @bitCast builtin has been modified to reinterpret the logical bit representation of a value as a different type, providing an endianness-agnostic operation. This change may break existing code involving array or vector types, so it is recommended to audit such uses when upgrading to Zig 0.17.0. The definition of @bitCast no longer permits casts involving extern struct or extern union types.
Additionally, several builtins have been deprecated or removed in this release. @cImport has been deprecated and removed, and std.Build.Step.TranslateC is now deprecated in favor of an explicit package dependency on the official ZSF translate-c package. New builtins @backingInt and @fromBackingInt have been introduced, replacing the now-deprecated @intFromEnum and @enumFromInt builtins.
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