Wasmtime 44.0.0 ڈاؤن لوڈ

Added
- The wasmtime CLI now supports a -g flag which runs a built-in wasm program to host a gdbstub-compatible server (can be connected to with LLDB) to debug guest programs. #12756 #12771 #12856 #12859
- Wasmtime now has experimental support for the map<K, V> type in the component model. #12216
- Wasmtime's C API now supports wasm tag types. #12763 #12803
- Wasmtime's C API now supports exceptions. #12861
- Wasmtime's C API has more support for the GC proposal. #12914 #12915 #12916 #12917
- An initial implementation of the wasi:tls proposal for the 0.3.0-draft version has been added. #12834
Changed
- The demangle Cargo feature of the wasmtime crate is now compatible with no_std targets. #12740
- The wasmtime-wasi-tls-* crates are now merged into one crate with feature flags for each backend. #12780
- Wasmtime now requires Rust 1.92.0 or later to build. #12828
- The cranelift-codegen crate now compiles for no_std targets. #12812
- The csdb instruction, a defense-in-depth measure for spectre, is no longer emitted by default on aarch64 to match what peer runtimes are doing. In some situations this is known to provide up to a 6x performance boost on macOS as well. #12932
Fixed
- Wasmtime's native DWARF has been improved on aarch64 to support recovering values more frequently. #12779
- A significant number of minor issues have been fixed throughout this release. In addition to the security advisories found by LLMs there have also been a large number of other issues identified as well. Many minor fixes are present in this release for various situations for issues found in this manner.