Who contributed to Mobile platforms on July 21, 2026?

11 developers shipped this update, including Mohellebi Abdessalem, jason-simmons, Valentin Vignal, jameskrupnik, eeckstein, gonzalolarralde, Snowy1803, and Max Desiatov, and 3 more.

What were the notable Mobile platforms updates?

[IR] Remove interpreter tests, [IR] Remove dependency on `ir.interpreter` module from other modules, and [IR] Remove generator for interpreter map.

KOTLIN RIPS OUT INTERPRETER GUTS, FLUTTER PATCHES RENDERING PIPELINE

Kotlin is systematically removing its IR interpreter in a multi-commit cleanup that signals a major shift in how the compiler handles intermediate representation, while Flutter ships critical Vulkan safety fixes and expands autofill support.

Kotlin landed a series of four related commits that tear out the interpreter module entirely [1] [2] [3] [4], moving utility methods to their proper homes and removing generator code. This is not incremental refactoring. It's a deliberate architectural decision that forces the compiler onto a different code path. Meanwhile, Kotlin also introduced -Xcallable-references-to-contextual and removed -Xcontext-receivers [5], signaling breaking API changes for users relying on receiver context semantics.

Flutter's rendering pipeline got two critical fixes overnight. The Impeller team patched a Vulkan safety bug where AHBTextureSourceVK destructors were calling Vulkan APIs on destroyed VkDevices [6], a crash vector when Android clears surface transactions. They also rolled ANGLE to cc08479fbcc1 [7], pulling in graphics driver fixes you probably don't see but absolutely need.

On the form-filling front, Flutter added emailOTPCode autofill hints for Android [8], which means password managers and autofill services can now target OTP fields specifically. The team also fixed test interdependencies in draggable_test.dart [9] and refactored InputConnectionAdaptorTest.java to use StringBuilder [10], quiet hygiene work that keeps the test suite reliable.

Swift's optimizer got a new CopySinking pass that sinks copy instructions across control flow [11], reducing register pressure and improving codegen. The embedded threading work is landing too [12], letting embedded Swift use mutexes and thread-local storage through the EmbeddedPlatform contract. A debug info salvage fix [13] recovered 18.6% of lost variables in compatibility tests, and Wasm/Emscripten builds got untangled [14].