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Suggest build.rs should inherit build configuration from parent project

Status: Open.

#1700 In dtolnay/cxx;

· shangyanglj opened on Feb 2, 2026

Extending a <code>rust::Vec&lt;T&gt;</code> efficiently

Status: Open.

#1699 In dtolnay/cxx;

· edmonds opened on Jan 29, 2026

<code>fn rawr(xs: &amp;[u8; N])</code> should translate to <code>void rawr(std::span&lt;const uint8_t, N&gt;)</code>

Status: Open.

#1698 In dtolnay/cxx;

· cmazakas opened on Jan 29, 2026

How to consume a crate as a C lib

Status: Open.

#1692 In dtolnay/cxx;

· ajewellamz opened on Jan 13, 2026

Returning a std::vector from C++ fails with STL debug mode enabled

Status: Open.

#1688 In dtolnay/cxx;

· mlaveaux opened on Dec 17, 2025

<code>target/cxxbridge/</code> not created when <code>CARGO_TARGET_DIR</code> is set

Status: Open.

#1680 In dtolnay/cxx;

· pantos9000 opened on Dec 5, 2025

Does cxx support subclassing a C++ class directly in Rust

Status: Open.

#1678 In dtolnay/cxx;

· Omkv28 opened on Dec 4, 2025

a way of exposing unmangled symbols directly from my shared library without requiring linking to any glue code

Status: Open.

#1677 In dtolnay/cxx;

· strike-ntzachar opened on Dec 2, 2025

"multiple definition of" linker error (Regression since 1.0.188)

Status: Open.

#1673 In dtolnay/cxx;

· apartridge opened on Nov 27, 2025

Compiled headers fail on <code>-Wundefined-func-template</code> if we use <code>Vec</code>

Status: Open.

#1671 In dtolnay/cxx;

· jmcclellan-figma opened on Nov 18, 2025

Creating <code>UniquePtr&lt;CxxString&gt;</code>

Status: Open.

#1667 In dtolnay/cxx;

· tomekb234 opened on Oct 29, 2025

Document canonical way to pass closures from Rust to C++

Status: Open.

#1666 In dtolnay/cxx;

· balintbarna opened on Oct 28, 2025