Escargot 4.1.0

Release Note v4.1.0

• Update WebAssembly engine
• Apply several optimizations for performance improvement
• Fix misc bugs/issues
• Add a build option ESCARGOT_USE_EXTENDED_API to enable non-standard features such as Template, Error Callback used by specific third-parties.

WebAssembly

• Using Walrus engine linked by wasm-c-api
• Walrus supports interpreter and JITC mode both
• Walrus JITC employs sljit as backend compiler

Optimization

• Advanced Inline Caching: broaden the target range of object's property access cases
• Tail Call Optimization (TCO): apply general TCO approach and specialized TCO for recursive tail calls.