## Phase 4 - Standardize the Feature (WG) The list based on [proposals page](https://github.com/WebAssembly/proposals) These features would be highly standardized soon. Proposal | -- | [Tail call](https://github.com/WebAssembly/tail-call) [Extended Constant Expressions](https://github.com/WebAssembly/extended-const) [Typed Function References](https://github.com/WebAssembly/function-references) [Garbage collection](https://github.com/WebAssembly/gc) [Multiple memories](https://github.com/WebAssembly/multi-memory) [Threads](https://github.com/webassembly/threads) [Relaxed SIMD](https://github.com/WebAssembly/relaxed-simd) [Custom Annotation Syntax in the Text Format](https://github.com/WebAssembly/annotations) [Branch Hinting](https://github.com/WebAssembly/branch-hinting)
Phase 4 - Standardize the Feature (WG)
The list based on proposals page
These features would be highly standardized soon.