Rust 1.99.1 发布，修复 wcslen 缺失等回归问题

Rust 团队发布了 Rust 1.99.1 点版本，已通过 rustup 安装旧版本的用户可执行 rustup update stable 升级。

Rust 1.99.1 修复了此前版本的回归问题：部分目标因缺少 wcslen 出现链接错误，该函数现作为回退加入编译器内置库；UEFI 目标上使用 std 的项目曾因此受影响。

该版本还修复了 x86_64 上 FFI 返回 bool 值的错误编译问题，以及 macOS 上 rust-lld 在未通过 rustup 代理调用编译器时无法加载 libLLVM 的问题。

原文标题：Announcing Rust 1.99.1 原文作者：The Rust Release Team 原文日期：2026-10-15 原文链接：https://blog.rust-lang.org/2026/10/15/Rust-1.99.1/ 署名与许可：Rust官方博客原文采用MIT/Apache-2.0双许可，本篇选择MIT路径。原文作者、日期和链接见来源信息；BYDEQ通过DeepSeek生成中文标题及摘要，作翻译、压缩和改编，不代表Rust项目认可。许可依据：https://github.com/rust-lang/blog.rust-lang.org/blob/main/README.md ；以下保留原MIT声明（https://github.com/rust-lang/blog.rust-lang.org/blob/main/LICENSE-MIT）：

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