perry

v0.5.1116 Feature

This release adds 3 notable features for engineering teams evaluating rollout.

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Summary

AI summary

Updates Infrastructure / tests, Atomics, and Parity across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Low	Adds Atomics basic and bitwise operations. Adds Atomics basic and bitwise operations. Source: llm_adapter@2026-06-03 Confidence: high	—
Feature	Low	Exposes core Intl constructors. Exposes core Intl constructors. Source: llm_adapter@2026-06-03 Confidence: high	—
Feature	Low	Adds X509Certificate properties and extension metadata access. Adds X509Certificate properties and extension metadata access. Source: llm_adapter@2026-06-03 Confidence: high	—
Feature	Low	Provides node stream to web stream adapters. Provides node stream to web stream adapters. Source: llm_adapter@2026-06-03 Confidence: high	—
Feature	Low	Completes Array.fromAsync mapFn semantics. Completes Array.fromAsync mapFn semantics. Source: llm_adapter@2026-06-03 Confidence: high	—
Feature	Low	Exposes HTTP request abort signals. Exposes HTTP request abort signals. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Performance	Low	Caches tagged‑template objects per call site. Caches tagged‑template objects per call site. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix
Bugfix	Medium	Makes node:events static helpers dispatch events correctly. Makes node:events static helpers dispatch events correctly. Source: llm_adapter@2026-06-03 Confidence: high	—
Bugfix	Medium	Directly dispatches uncurried hasOwnProperty. Directly dispatches uncurried hasOwnProperty. Source: llm_adapter@2026-06-03 Confidence: high	—
Bugfix	Medium	Ensures Uint8Array.of and from build buffer‑backed representations. Ensures Uint8Array.of and from build buffer‑backed representations. Source: llm_adapter@2026-06-03 Confidence: high	—
Bugfix	Medium	Makes Reflect.set, getPrototypeOf, and deleteProperty throw on non‑object receivers. Makes Reflect.set, getPrototypeOf, and deleteProperty throw on non‑object receivers. Source: llm_adapter@2026-06-03 Confidence: high	—
Bugfix	Medium	Installs DataView.prototype accessors and get/set methods. Installs DataView.prototype accessors and get/set methods. Source: llm_adapter@2026-06-03 Confidence: high	—
Bugfix	Medium	Honors async buffered limits, argv0, and stdio: inherit in child_process. Honors async buffered limits, argv0, and stdio: inherit in child_process. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Converts asymmetric KeyObject instances to CryptoKey. Converts asymmetric KeyObject instances to CryptoKey. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Invokes registered loader hooks for dynamic imports. Invokes registered loader hooks for dynamic imports. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Corrects String.matchAll iterator semantics. Corrects String.matchAll iterator semantics. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Preserves CommonJS require function name. Preserves CommonJS require function name. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Materializes array‑like receivers for Array.prototype methods when called via .call/.apply. Materializes array‑like receivers for Array.prototype methods when called via .call/.apply. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Respects closure accessor properties. Respects closure accessor properties. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Respects symbol enumerability in Object.assign. Respects symbol enumerability in Object.assign. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Skips sparse array holes during iteration method execution. Skips sparse array holes during iteration method execution. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Aligns prototype and super assignment behavior with ECMAScript spec. Aligns prototype and super assignment behavior with ECMAScript spec. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Corrects assignment evaluation order to match specification. Corrects assignment evaluation order to match specification. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Implements arrow function special binding semantics correctly. Implements arrow function special binding semantics correctly. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Preserves delete operator references within with statements. Preserves delete operator references within with statements. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Enforces Temporal Dead Zone for default parameters that appear later in function body. Enforces Temporal Dead Zone for default parameters that appear later in function body. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Bugfix	Low	Preserves lexical new.target value inside arrow functions. Preserves lexical new.target value inside arrow functions. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Refactor
Refactor	Low	Restores scalar method inlining for PutValueSet constructors. Restores scalar method inlining for PutValueSet constructors. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Refactor	Low	Caps pointer local type growth during codegen. Caps pointer local type growth during codegen. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—
Refactor	Low	Uses generator closure prototypes for instance creation. Uses generator closure prototypes for instance creation. Source: granite4.1:30b@2026-06-03-audit Confidence: low	—

Full changelog

Highlights

42 commits since v0.5.1112 — a broad Node.js + TypeScript parity push: language-correctness fixes (assignment evaluation order, arrow binding, default-param TDZ, new.target), more Node built-in surface (Atomics, Intl, X509, child_process options, web stream adapters), and runtime prototype/reflection fixes.

Features

Atomics: basic operations + bitwise operations (#4247, #4253)
Expose core Intl constructors (#4254)
X509Certificate: publicKey, name checks, and extension metadata (#4249, #4252, #4241)
node stream → web stream adapters (#4237)
Complete Array.fromAsync mapFn semantics (#4238)

Fixes — runtime & Node compat

node:events module-level static helpers (once/on/listenerCount/…) now dispatch (#850)
Dispatch uncurried hasOwnProperty directly (#4279)
Uint8Array.of/from build the buffer-backed representation
isPrototypeOf + Reflect.set/getPrototypeOf/deleteProperty throw on non-object (#4265)
Install DataView.prototype accessors + get/set methods (#4256)
Convert asymmetric KeyObjects to CryptoKey (#4245)
Expose HTTP request abort signals (#4248)
Invoke registered loader hooks for dynamic imports (#4225)
String.matchAll iterator semantics (#4223)
Preserve CommonJS require function name (#4220)
Materialize array-like receivers for Array.prototype.*.call (#4231)
child_process: honor async buffered limits, argv0, and stdio: inherit (#4250, #4246, #4240)
Honor closure accessor properties (#4243)
Respect symbol enumerability in Object.assign (#4239)
Skip sparse array holes in iteration methods (#4236)

Fixes — codegen & language parity

Restore scalar method inlining for PutValueSet constructors (#945)
Cap pointer local type growth in codegen (#4235)
Cache tagged-template objects per call site (#4234)
Prototype & super assignment parity (#4233)
Assignment evaluation order (#4229)
Arrow special binding semantics (#4228)
Preserve with references for delete (#4227)
Default-parameter TDZ for later bindings (#4226)
Preserve lexical new.target for arrows (#4224)
Use generator closure prototypes for instances (#4222)
Avoid recursive constructor inlining (#4221)
Preserve CommonJS require name / honor well-known archives in no-auto links (#4242)
Native instance walk for fluent chains (#4219)

Infrastructure / tests

Parity: expected-exit=1 for intentional-throw expected-output tests
HTTP upgrade-websocket frame coverage (#4251)
Optional PTY parity runner for tty (#4232)

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About perry

A native TypeScript compiler written in Rust. Compiles TypeScript directly to executables using SWC and LLVM.

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