Search results

fix(array): ArraySpeciesCreate must throw TypeError when .constructor is a non-object primitive (10 test262 failures)

conformanceECMAScript conformanceECMAScript conformance

Status: Open.

#465 In dowdiness/js_engine;

· dowdiness opened on Jun 26, 2026

fix(global): GlobalDeclarationInstantiation must throw TypeError on non-extensible/non-configurable global (6 test262 failures)

conformanceECMAScript conformanceECMAScript conformance

Status: Open.

#464 In dowdiness/js_engine;

· dowdiness opened on Jun 26, 2026

Refactor ordinary [[Set]] prototype-chain walking into a shared runtime helper

Status: Open.

#453 In dowdiness/js_engine;

· dowdiness opened on Jun 25, 2026

Object.setPrototypeOf should handle Map/Set/Promise objects and object-valued prototypes

Status: Open.

#452 In dowdiness/js_engine;

· dowdiness opened on Jun 25, 2026

Map/Set instances silently drop ordinary property assignment ([[Set]] no-ops)

Status: Open.

#447 In dowdiness/js_engine;

· dowdiness opened on Jun 24, 2026

arch: type environment markers before marker set grows

architectureInternal architecture / unification / cross-cutting refactorInternal architecture / unification / cross-cutting refactor

Status: Open.

#439 In dowdiness/js_engine;

· dowdiness opened on Jun 23, 2026

fix(expressions): iterator return/close protocol in destructuring (6 tests)

bugSomething isn't workingSomething isn't working

conformanceECMAScript conformanceECMAScript conformance

test262Test262 conformance workTest262 conformance work

Status: Open.

#429 In dowdiness/js_engine;

· dowdiness opened on Jun 21, 2026

·  

ES2015 residuals cleanup

fix(expressions): Array.prototype[Symbol.iterator] poisoning not detected in destructuring (18 tests)

bugSomething isn't workingSomething isn't working

conformanceECMAScript conformanceECMAScript conformance

test262Test262 conformance workTest262 conformance work

Status: Open.

#424 In dowdiness/js_engine;

· dowdiness opened on Jun 21, 2026

·  

ES2015 residuals cleanup

fix(expressions): with-statement PutValue through object environment records (43 tests)

bugSomething isn't workingSomething isn't working

conformanceECMAScript conformanceECMAScript conformance

test262Test262 conformance workTest262 conformance work

Status: Open.

#423 In dowdiness/js_engine;

· dowdiness opened on Jun 21, 2026

·  

Pre-ES2015 conformance cleanup

fix: JSON.stringify Proxy bypass — Proxy traps don't fire during stringify walk

Status: Open.

#421 In dowdiness/js_engine;

· dowdiness opened on Jun 20, 2026

fix(runtime): Promise(data) branch missing symbol_descriptors accessor check in get_computed_property_impl

conformanceECMAScript conformanceECMAScript conformance

Status: Open.

#418 In dowdiness/js_engine;

· dowdiness opened on Jun 20, 2026

Class private: static blocks in class bodies

conformanceECMAScript conformanceECMAScript conformance

test262Test262 conformance workTest262 conformance work

Status: Open.

#399 In dowdiness/js_engine;

· dowdiness opened on Jun 18, 2026

·  

Class private fields, methods, and static blocks