…ensions

…twasm#696)

…ew feedback

…istential-lowering

BridgeJS: Fix protocol existential lowering in Swift-to-JS direction

…sure

BridgeJS: Support protocol types in closure parameters and returns

BridgeJS: expand integer and raw-value enum support

BridgeJS: Correctly emit @js methods in extensions

…m#703)

Revert of swiftwasm#694. Required to unblock CI on swiftwasm#702.

* Bump Swift toolchain snapshots in `test.yml`

Bumping to `2026-03-05` for 6.3 and `2026-03-09` for `main`.

* Fix concurrency `@_spi`

* Downgrade `main` snapshot to old version

* Fix 6.3 build error

* EmbeddedApp/main.swift: Fix capitalization in print statement

* Add `Examples/EmbeddedConcurrency`

* EmbeddedConcurrency: don't use `-c release` for SwiftSyntax

Remove the '-c release' option from the build command.

* Fix warnings with untyped throws, fix npm install error

# Conflicts:
#	Examples/EmbeddedConcurrency/build.sh

* Fix formatting

* Bump `build-examples` snapshots to 2026-03-14

* Use 2026-03-09 for `main` development snapshots

* Add Swift version check before building examples

* Exercise `await` on `JSPromise/value`

* Address PR feedback

* Move `EmbeddedConcurrencyApp` to fixtures

* Temporarily disable `main` snapshots

* Removing crashing test from the PR

…eck (swiftwasm#705)

Gate `ExperimentalCustomExecutors` usage behind Swift 6.4 for non-Wasm targets

Seems like it's dropped in Swift 6.3 rc shipped along with Xcode 26.4 RC
in the last minute

swiftwasm#706)

* BridgeJS: Correctly emit @js methods in extensions

* BridgeJS: Improve test coverage for @js methods and properties in extensions

* Fix formatting

* Update test code to avoid accidentally introduced failure

* Fix CI: update snapshots, formatting, runtime test, add docs and review feedback

* BridgeJS: Regenerate snapshots and runtime bindings against current main

---------

Co-authored-by: William Taylor <[email protected]>
Co-authored-by: Max Desiatov <[email protected]>

…#707)

* BridgeJS: support imports of `Promise` JS as `async` Swift

* E2e testing of bridging Promise<interface> returns

* fix formatting

* `JSTypedClosure`-based approach

* Clean up `BridgeJSLink`

* Fix missing `import _Concurrency`

* Fix formatting

* Use `JSTypedClosure` without wrapping the result value

* Make closure parameters as `sending`

* Check more stack ABI types

* Add support for `async` in `@JSFunction`

* Use namespaced import

* Fix missing `fetchWeatherData`

* Bring back `fetchWeatherData`

* Regenerate `fetchWeatherData` bridging code

* BridgeJS: Centralize closure sig collection in BridgeSkeletonWalker

* BridgeJS: Stop spreading isAsync handling outside of CallJSEmission

* BridgeJS: Remove error-prone default effects in thunk generation

* BridgeJSLink: Centralize async handling in ImportedThunkBuilder

* BridgeJS: Remove reundant returnType from `call` family of methods in ImportedThunkBuilder

---------

Co-authored-by: Yuta Saito <[email protected]>