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C API Changelog

The format is based on Keep a Changelog.

Looking for changes to the Wasmer CLI and the Rust API? See our Primary Changelog

[Unreleased]

2.1.0 - 2021/11/30

Added

#2521 Create OrderedResolver from a parallel iterator, which improves performances of wasm_new_instance when a large set of imports is given.
#2449 Configure soname, install_name, out-implib, etc.

Changed

#2478 Rename traps input to wasm_instance_new() to trap.

Fixed

#2485 Document wasm_limits_t’s members publicly.
#2444 Trap's messages are always null terminated.
#2683 Fix memory leaks in the C API.

2.0.0 - 2020/06/16

2.0.0-rc1 - 2020/06/02

Added

#2346 Add missing wasm_func_copy function.
#2208 Add a new CHANGELOG.md specific to our C API to make it easier for users primarily consuming our C API to keep up to date with changes that affect them.
#2103 Add middleware (incl. metering) API.
#2153 Add a wasmer_features_t unstable C API to define features for the engine and the compiler in the Wasm C API.
#2118 Add an unstable non-standard C API to query available engines and compilers.

Changed

#2375 Rename wasmer_wasm.h to wasmer.h (old behavior still continues to work).
#2370 Remove the deprecated C API.

Fixed

#2208 Fix ownership of wasm_extern_as_func, wasm_extern_as_memory, wasm_extern_as_table, wasm_extern_as_global, wasm_func_as_extern, wasm_memory_as_extern, wasm_table_as_extern, and wasm_global_as_extern. These functions no longer allocate memory and thus their results should not be freed. This is a breaking change to align more closely with the Wasm C API's stated ownership.
#2210 Fix a memory leak in the strings used to identify imports and exports coming from user code.
#2117 Formalize API prefixes. Only unstable functions have been renamed.
#2097 Fix how string's length is computed in wasm_cpu_features_add.

Changes before 2020-04-06

See the Primary Changelog.