Bump Jint from 4.2.1 to 4.10.0

[dependabot]

Updated Jint from 4.2.1 to 4.10.0.

Release notes

Sourced from Jint's releases.

4.10.0

Overview

Jint 4.10.0 is a performance- and memory-focused release. The bulk of this cycle went into making the interpreter run faster and allocate less, with additional work on CLR interop speed and diagnostics, plus a handful of correctness and spec-compliance fixes.

If you execute the same scripts repeatedly, run interop-heavy workloads, or care about GC pressure, this release should give you a meaningful, no-code-changes-required speedup.

Highlights

Interpreter performance

• New fast paths for object method calls (#​2510), computed dense-array reads/writes (#​2511), and global variable / x++ updates via version-gated inline caches (#​2507, #​2514).
• Function-call overhead reduced: function-local numbers stored unboxed in environment slots (#​2499), FunctionDeclarationInstantiation skipped entirely when there's nothing to do (#​2502), lazy constructor .prototype creation (#​2512), and no more per-call closure allocation in EvaluateBody (#​2534).
• A compilation cache for repeated eval and new Function sources (#​2503), and a fix for prepared scripts that were running slower than re-parsed source (#​2504).
• Process-wide cache of compiled regex adaptations (#​2530) and a faster String.prototype.split with a string separator (#​2519).

Reduced allocations & memory footprint

• Zero-copy views returned from large slice / substring / substr results, extended to bounded-waste substrings (#​2506, #​2518).
• A pooled accumulator slashes intermediate allocations in array-building built-ins, extended to RegExp split, Iterator.toArray, and object enumeration (#​2524, #​2526).
• Pooled for-loop iteration environments (#​2515), preserved dictionary capacity across pooled function-environment reuse (#​2528), and a raised fixed-slot environment cap (16 → 24 bindings) (#​2529).
• Smaller runtime objects: JsDate shrunk by 8 bytes (#​2535) and ObjectInstance slimmed by relocating _privateElements to a per-engine weak table (#​2536).

CLR interop

• Lower method-dispatch overhead and fewer allocations (#​2520), no per-access parameter-array allocation in indexer reads (#​2521), and an opt-in bounded cache for recently wrapped CLR objects (#​2522).
• Customizable reported property keys for CLR objects, enabling for..in over wrapped objects (#​2516).
• Richer interop resolution errors that include the target type, arguments, and candidate signatures — gated behind an opt-in option, with the CLR type exposed to the host (#​2525, #​2527).

Correctness & spec compliance

• Fixed completion value being clobbered by a re-entrant Evaluate() during module execution (#​2493).
• Fixed runtime type-member writes for CLR wrappers (#​2496) and DefaultTypeConverter.Convert bypassing subclass TryConvert overrides (#​2498).
• Fixed integer fast-path overflows and compound-assignment spec divergences (#​2497).
• Updated the Test262 suite and fixed promise-combinator handling of non-thenables (#​2500).

⚠️ Upgrading from 4.9.2 or earlier

4.10.0 contains no new breaking changes, but if you skip past 4.9.3 note its host-side breaking change: Error.prototype.stack became a get/set accessor on %Error.prototype% (it is no longer an own property of each error instance), so host code reading the trace via ObjectInstance.TryGetValue("stack", …) now gets undefined — use errorObject.Get("stack") instead. See the v4.9.3 release notes for details (#​2489).

---

What's Changed

• Bump the all-dependencies group with 4 updates by @​dependabot[bot] in Bump the all-dependencies group with 4 updates sebastienros/jint#2491
• Fix completion value clobbered by re-entrant Evaluate() during module execution by @​lahma in Fix completion value clobbered by re-entrant Evaluate() during module execution sebastienros/jint#2493
• Fix runtime type member writes for CLR wrappers by @​nkgotcode in Fix runtime type member writes for CLR wrappers sebastienros/jint#2496
• Fix integer fast path overflows and compound assignment spec divergences by @​lahma in Fix integer fast path overflows and compound assignment spec divergences sebastienros/jint#2497
• Fix DefaultTypeConverter.Convert bypassing subclass TryConvert overrides by @​lahma in Fix DefaultTypeConverter.Convert bypassing subclass TryConvert overrides sebastienros/jint#2498
• Store function-local numbers unboxed in environment slot bindings by @​lahma in Store function-local numbers unboxed in environment slot bindings sebastienros/jint#2499
• Update test262 suite and fix promise combinator non-thenable handling by @​lahma in Update test262 suite and fix promise combinator non-thenable handling sebastienros/jint#2500
• Parenthesize expressions to correctly pre-allocate List<T> by @​jnyrup in Parenthesize expressions to correctly pre-allocate List<T> sebastienros/jint#2501
• Skip FunctionDeclarationInstantiation entirely when there is nothing to do by @​lahma in Skip FunctionDeclarationInstantiation entirely when there is nothing to do sebastienros/jint#2502
• Add compilation cache for repeated eval and new Function sources by @​lahma in Add compilation cache for repeated eval and new Function sources sebastienros/jint#2503
• Fix prepared scripts executing slower than re-parsed source by @​lahma in Fix prepared scripts executing slower than re-parsed source sebastienros/jint#2504
• Return zero-copy views from large slice/substring/substr results by @​lahma in Return zero-copy views from large slice/substring/substr results sebastienros/jint#2506
  ... (truncated)

4.9.3

Highlights

Jint 4.9.3 is a maintenance release on top of 4.9.2 that closes the remaining test262 gaps from the 4.9.x line, hardens bulk built-ins against runaway inputs, and delivers large TypedArray performance gains. There are no public API surface changes, but host code that reads an error's stack should review the breaking-change note below, plus one additional minor behavioral note.

ECMAScript spec coverage

The bundled test262 suite was bumped to its latest snapshot and the spec gaps it surfaced were implemented — the full conformance suite now passes with 0 failures (#​2489, #​2490):

• Error.prototype.stack accessor (error-stack-accessor proposal) — stack is now a configurable get/set accessor on %Error.prototype% rather than an own data property on each instance. This is a breaking change for host (C#) code that reads stack — see the breaking-change note below.
• Immutable ArrayBuffer write rejection — %TypedArray%.prototype mutators (copyWithin / fill / reverse / set / sort), the Atomics read-modify-write ops, and Uint8Array setFromBase64 / setFromHex now throw TypeError before any observable side effect when the backing buffer is immutable.
• Intl legacy-constructor mode (normative-optional) for NumberFormat and DateTimeFormat, plus the new Intl.PluralRules compactDisplay option.
• Temporal.ZonedDateTime — rejects not-yet-adopted calendar annotations and correctly rounds to start-of-day when midnight occurs twice across a fall-back DST transition.
• Source-phase import re-exports — import source x from "…"; export { x }; is now supported (#​2490).

Performance

• TypedArray bulk operations were rewritten around System.Array.Copy / Span<T> instead of per-element decode/encode loops. set, slice, copyWithin, with, fill, reverse, toReversed, and the indexOf / lastIndexOf / includes scans are now roughly 80×–350× faster with drastically lower allocations (#​2488).

Robustness

• Bulk built-ins are now interruptible by execution constraints (#​2487, fixes #​2486). Operations such as 'x'.padStart(2147483647) or Array.from({ length: 50000000 }), along with the Array / %TypedArray% / RegExp / JSON / String bulk loops, now honor TimeoutInterval / MaxStatements / LimitMemory and raise a catchable RangeError instead of hanging or throwing an uncatchable OutOfMemoryException.

Correctness

• Custom regex engine: fixed flag v patterns that were incorrectly rejected (e.g. /-/v, /&&/v, /[\!]/v) (#​2481).
• Corrected escaping of regexp patterns built at run-time via new RegExp(...), RegExp(...), .compile(...), String.prototype.match, etc. (#​2482).

⚠️ Breaking change — reading an error's stack from host code

The Error.prototype.stack accessor change above also affects host (C#) code that inspects an error's stack trace. Previously stack was an own data property of every error instance, so an own-property read found the trace directly. It is now a get/set accessor defined on %Error.prototype% and is no longer an own property of the instance (#​2489).

As a result, reading the trace with ObjectInstance.TryGetValue("stack", out var v) now yields undefined. TryGetValue still walks the prototype chain and finds the accessor on %Error.prototype%, but it invokes the inherited getter with the prototype as the receiver instead of the original error instance. The prototype has no [[ErrorData]] internal slot, so the getter returns undefined and the captured trace is lost.

Read the value through the accessor-aware Get, which threads the correct receiver:

// before — now returns undefined
errorObject.TryGetValue("stack", out var stack);

// after — invokes the getter with the error instance as the receiver
var stack = errorObject.Get("stack");

⚠️ Minor behavioral change

For .NET Regex objects exposed to the engine, JsRegExp.Source / ToString() now return the placeholder ?[native regex] instead of the raw .NET pattern — the .NET pattern was misleading because it isn't a valid JS pattern (#​2482).

---

What's Changed

... (truncated)

4.9.2

What's Changed

• Upgrade to Acornima v1.6.2 by @​adams85 in Upgrade to Acornima v1.6.2 sebastienros/jint#2476
• Serialize Atomics.waitAsync test262 group instead of excluding it by @​lahma in Serialize Atomics.waitAsync test262 group instead of excluding it sebastienros/jint#2479
• Fix #​2477: spec-compliant async suspension for await using dispose by @​lahma in Fix #2477: spec-compliant async suspension for await using dispose sebastienros/jint#2478
• Fix MemoryLimitConstraint skipping check when async resumes on a different thread by @​brunodeuner in Fix MemoryLimitConstraint skipping check when async resumes on a different thread sebastienros/jint#2480

New Contributors

• @​brunodeuner made their first contribution in Fix MemoryLimitConstraint skipping check when async resumes on a different thread sebastienros/jint#2480

Full Changelog: sebastienros/jint@v4.9.1...v4.9.2

4.9.1

A bug-fix release focused on async correctness, number-to-string conversion, and CLR interop edge cases.

Highlights

Async correctness

Three fixes together close a set of holes in async/await and event-loop behavior:

• Concurrent WaitForEventAsync waiters are all signaled now — previously only one waiter would wake when an event arrived (#​2427).
• Async resume now flows through control-flow statements (if/for/while/try/switch) (#​2469) and through every expression type (#​2475). Awaiting inside these constructs no longer drops state or fails to resume.

If you use Jint's async API, this release is worth picking up.

Number.prototype.toString(radix) no longer overflows

(-12345e+30).toString(2) and other large-magnitude calls used to cast directly to long, overflowing at ~9.22e18 and returning wrong digits (or throwing). The integer part now goes through BigInteger once it exceeds long range, producing the mathematically exact base-r representation for radix 2 through 36 (#​2471).

CLR interop: oversize numeric inputs

Numeric values that don't fit in the target CLR type now surface as a JavaScript RangeError instead of silently overflowing (#​2465).

Spec conformance

Updated test262 to commit 673e9bac and fixed the issues that surfaced (#​2473).

---

What's Changed

• Update engine comparison benchmarks for Jint 4.9.0 by @​lahma in Update engine comparison benchmarks for Jint 4.9.0 sebastienros/jint#2462
• Convert oversize CLR inputs to RangeError by @​nfcampos in Convert oversize CLR inputs to RangeError sebastienros/jint#2465
• Stabilize pre-1970 setYear test by @​nfcampos in Stabilize pre-1970 setYear test sebastienros/jint#2464
• Stabilize Windows CI: widen regex-timeout assertion, skip flaky waitAsync case by @​lahma in Stabilize Windows CI: widen regex-timeout assertion, skip flaky waitAsync case sebastienros/jint#2472
• Bump the all-dependencies group with 3 updates by @​dependabot[bot] in Bump the all-dependencies group with 3 updates sebastienros/jint#2470
• Fix EventLoop async API: signal every concurrent WaitForEventAsync wa… by @​Ellested in Fix EventLoop async API: signal every concurrent WaitForEventAsync wa… sebastienros/jint#2427
• Update test262 to 673e9bac and fix newly-revealed issues by @​lahma in Update test262 to 673e9bac and fix newly-revealed issues sebastienros/jint#2473
• Switch FluentAssertions to AwesomeAssertions, update test deps by @​lahma in Switch FluentAssertions to AwesomeAssertions, update test deps sebastienros/jint#2474
• Fix async resume through control-flow statements by @​nfcampos in Fix async resume through control-flow statements sebastienros/jint#2469
• Async resume: close residual gaps across all expression types after #​2469 by @​lahma in Async resume: close residual gaps across all expression types after #2469 sebastienros/jint#2475
• Fix overflow issue in Number.prototype.toString for large numbers by @​asheigithub in Fix overflow issue in Number.prototype.toString for large numbers sebastienros/jint#2471

New Contributors

• @​Ellested made their first contribution in Fix EventLoop async API: signal every concurrent WaitForEventAsync wa… sebastienros/jint#2427
• @​asheigithub made their first contribution in Fix overflow issue in Number.prototype.toString for large numbers sebastienros/jint#2471

Full Changelog: sebastienros/jint@v4.9.0...v4.9.1

4.9.0

Highlights

Jint 4.9.0 is a large release focused on performance, CLR interop ergonomics, and ECMAScript spec coverage.

New language features

• Import Defer and Source Phase Imports — import defer * as ns from "mod" / import.defer() and import source x from "mod" / import.source() (TC39 proposals; 346 + 428 test262 tests pass) (#​2396)
• Import Text — import txt from "./file.txt" with { type: "text" } (TC39 Stage 3; complements the existing json / bytes paths) (#​2403)

Performance

The interpreter and built-ins got broad attention this release — see the v4.8.0 → v4.9.0 comparison table below for measured deltas.

• Custom regex engine interpreter optimized (#​2388)
• URI decode / unescape: faster and lower-allocation (#​2389)
• Array.prototype.sort / indexOf / includes / concat and sparse-array conversion optimized (#​2408)
• Lazy backing for new Array(N) plus Array.Copy fast paths for shift / unshift / splice (#​2451)
• Shape-versioned inline cache for member-expression reads (#​2412)
• FunctionEnvironment pooled per JintFunctionDefinition.State (#​2413)
• Identifier resolution: cached binding location in the slot fast path, walks skipped through empty function environments, inline small block-env slot resets (#​2416, #​2419, #​2420)
• Recursion pool + zero-alloc JsString primitive reads (#​2450)
• Avoid double-evaluating assignment bases in member access (#​2402)

CLR interop

• New opt-in Options.Interop.PreferJsPrototypeMethods() makes JS prototype methods win over CLR methods on wrapped objects (list.reverse() / list.sort() now do the JS thing on IList<T>) (#​2440)
• JS function call signatures preserved when functions are stored in Dictionary<string, object> (#​2392)
• Non-string CLR dictionary keys are now supported (#​2449)
• ThrowOnUnresolvedMember no longer throws on missing dictionary keys (#​2446)
• Fixed MissingMemberException on implicit string coercion of CLR objects (#​2439)
• CLR exceptions raised from JS now carry the originating JS source location and call stack — read via JintException.TryGetJavaScriptLocation / TryGetJavaScriptCallStack, or via JavaScriptException.Location when using CatchClrExceptions() (#​2459)

Correctness & spec coverage

• Async for-of destructuring resume bugs fixed (#​2453, #​2456)
• Module system correctness improvements (#​2395)
• Function.prototype.toString() returns the original source text for non-native functions (#​2394)
• Custom-engine regex literals now honor the prepare-time RegexTimeout (#​2457)
• Regex parsing cleanup and improved fallback-to-custom-engine detection (#​2393, #​2398)
• Many test262 exclusions dropped: Unicode SpecialCasing, calendar arithmetic, PlainMonthDay, NumberFormat precision, Hebrew leap-month, era/year consistency, locale numbering, plus a precision-aware NumberFormat path and a new ICalendarProvider extension point (#​2390, #​2407, #​2409, #​2411, #​2414, #​2423)
• Acornima parser upgraded to 1.6.1 (#​2415)

Performance: Jint 4.8.0 → 4.9.0

Same machine, same scripts, default BenchmarkDotNet settings on the v4.8.0 and v4.9.0 tags. Lower is better. Negative deltas are improvements.

Hardware: AMD Ryzen 9 5950X · Windows 11 · .NET 10.0.7 · BenchmarkDotNet 0.15.8.

Cold path — Engine.Execute(string) (parses on every call)

... (truncated)

4.8.0

What's Changed

• Memory and peformance optimizations in interop. by @​StringEpsilon in Memory and peformance optimizations in interop. sebastienros/jint#2382
• Fix JS array → C# generic collection conversion in CLR interop by @​Copilot in Fix JS array → C# generic collection conversion in CLR interop sebastienros/jint#2384
• Skip GetParameters call if target method is not generic. by @​StringEpsilon in Skip GetParameters call if target method is not generic. sebastienros/jint#2387
• Use pool of ObjectTraverseStacks in ToObject(). by @​StringEpsilon in Use pool of ObjectTraverseStacks in ToObject(). sebastienros/jint#2386
• Add custom JavaScript regex engine (QuickJS libregexp port) by @​lahma in Add custom JavaScript regex engine (QuickJS libregexp port) sebastienros/jint#2380

New Contributors

• @​StringEpsilon made their first contribution in Memory and peformance optimizations in interop. sebastienros/jint#2382

Full Changelog: sebastienros/jint@v4.7.1...v4.8.0

4.7.1

What's Changed

• Bump the all-dependencies group with 3 updates by @​dependabot[bot] in Bump the all-dependencies group with 3 updates sebastienros/jint#2372
• Add ExceptionThrown event to DebugHandler by @​lahma in Add ExceptionThrown event to DebugHandler sebastienros/jint#2375
• Update Acornima to 1.3.2 by @​lahma in Update Acornima to 1.3.2 sebastienros/jint#2374
• Suppress skipped test noise in CI logs by @​lahma in Suppress skipped test noise in CI logs sebastienros/jint#2377
• Default source to "" in PrepareScript/PrepareModule by @​lahma in Default source to "<anonymous>" in PrepareScript/PrepareModule sebastienros/jint#2379

Full Changelog: sebastienros/jint@v4.7.0...v4.7.1

4.7.0

What's Changed

• Bump the all-dependencies group with 3 updates by @​dependabot[bot] in Bump the all-dependencies group with 3 updates sebastienros/jint#2351
• Fix for-await-of inside async generators permanently suspending by @​Copilot in Fix for-await-of inside async generators permanently suspending sebastienros/jint#2353
• Fix DST offset applied incorrectly near daylight saving transitions by @​lahma in Fix DST offset applied incorrectly near daylight saving transitions sebastienros/jint#2357
• Fix HTML comments in dynamic Function() and for-in initializer evaluation by @​lahma in Fix HTML comments in dynamic Function() and for-in initializer evaluation sebastienros/jint#2358
• Always enable modules in Jint.Repl for dynamic import by @​ivankra in Always enable modules in Jint.Repl for dynamic import sebastienros/jint#2356
• Fix async test reporting and resolve async test262 failures by @​lahma in Fix async test reporting and resolve async test262 failures sebastienros/jint#2359
• Fix var/lexical name hoisting for destructuring patterns by @​lahma in Fix var/lexical name hoisting for destructuring patterns sebastienros/jint#2360
• Validate negative test error types in test262 harness by @​lahma in Validate negative test error types in test262 harness sebastienros/jint#2361
• Fix async test harness priority, await in computed properties, and forbidden extensions by @​lahma in Fix async test harness priority, await in computed properties, and forbidden extensions sebastienros/jint#2363
• Implement AgentCanSuspend check for Atomics.wait by @​lahma in Implement AgentCanSuspend check for Atomics.wait sebastienros/jint#2364
• Fix compat-table failures: Array.at, AnnexB if-decl, Proxy observable gets by @​lahma in Fix compat-table failures: Array.at, AnnexB if-decl, Proxy observable gets sebastienros/jint#2365
• Implement AsyncIterator Helpers by @​lahma in Implement AsyncIterator Helpers sebastienros/jint#2366
• Align JavaScript runtime error messages with V8/Node.js by @​lahma in Align JavaScript runtime error messages with V8/Node.js sebastienros/jint#2367
• Implement TC39 Stage 3 decorators and auto-accessors (preliminary) by @​lahma in Implement TC39 Stage 3 decorators and auto-accessors (preliminary) sebastienros/jint#2368
• Fix wasteful allocations and minor perf improvements by @​lahma in Fix wasteful allocations and minor perf improvements sebastienros/jint#2369
• Add public IsCallable() and IsConstructor() extension methods by @​lahma in Add public IsCallable() and IsConstructor() extension methods sebastienros/jint#2371

Full Changelog: sebastienros/jint@v4.6.4...v4.7.0

4.6.4

What's Changed

• Bump the all-dependencies group with 7 updates by @​dependabot[bot] in Bump the all-dependencies group with 7 updates sebastienros/jint#2327
• Fix Date.toString() showing StandardName instead of DaylightName during DST by @​Copilot in Fix Date.toString() showing StandardName instead of DaylightName during DST sebastienros/jint#2329
• Make a PreparedScriptBenchmark class closer to the original by @​Taritsyn in Make a PreparedScriptBenchmark class closer to the original sebastienros/jint#2325
• Fix toLocaleString timeZoneName returning full name instead of abbreviation by @​Copilot in Fix toLocaleString timeZoneName returning full name instead of abbreviation sebastienros/jint#2330
• Update Regex terminology in README by @​codeman4033 in Update Regex terminology in README sebastienros/jint#2333
• Fix typo in README for RegExp to Regex by @​codeman4033 in Fix typo in README for RegExp to Regex sebastienros/jint#2334
• Fix mixed-type addition chain incorrectly treated as pure string concatenation by @​Copilot in Fix mixed-type addition chain incorrectly treated as pure string concatenation sebastienros/jint#2337
• fix: prevent StackOverflow, IndexOutOfRange, and InvalidCast crashes on malformed JavaScript by @​Copilot in fix: prevent StackOverflow, IndexOutOfRange, and InvalidCast crashes on malformed JavaScript sebastienros/jint#2340
• Support running test262 using Jint.Repl by @​ivankra in Support running test262 using Jint.Repl sebastienros/jint#2326
• Update test262 suite to latest commit and fix 3 new failures by @​Copilot in Update test262 suite to latest commit and fix 3 new failures sebastienros/jint#2341
• Implement non-ISO calendar support for Temporal (Chinese, Dangi, Hebrew, Persian) by @​lahma in Implement non-ISO calendar support for Temporal (Chinese, Dangi, Hebrew, Persian) sebastienros/jint#2342
• Replace embedded resource text files with inline data for Intl CLDR data by @​lahma in Replace embedded resource text files with inline data for Intl CLDR data sebastienros/jint#2343
• Enable Intl.Era-monthcode and implement 7 new calendar systems (+2,498 test262 passes) by @​lahma in Enable Intl.Era-monthcode and implement 7 new calendar systems (+2,498 test262 passes) sebastienros/jint#2344
• Optimize interpreter hot paths for arithmetic, comparisons, and control flow by @​lahma in Optimize interpreter hot paths for arithmetic, comparisons, and control flow sebastienros/jint#2345
• Eliminate lazy initialization overhead from interpreter hot paths (~8% faster) by @​lahma in Eliminate lazy initialization overhead from interpreter hot paths (~8% faster) sebastienros/jint#2346
• Fix Temporal calendar handling and enable 2,782 more test262 passes by @​lahma in Fix Temporal calendar handling and enable 2,782 more test262 passes sebastienros/jint#2347
• Optimize Intl and Temporal hot paths with caching and algorithmic fixes by @​lahma in Optimize Intl and Temporal hot paths with caching and algorithmic fixes sebastienros/jint#2348
• Fix BigInt exponentiation bypassing execution constraints by @​lahma in Fix BigInt exponentiation bypassing execution constraints sebastienros/jint#2350

New Contributors

• @​codeman4033 made their first contribution in Update Regex terminology in README sebastienros/jint#2333
• @​ivankra made their first contribution in Support running test262 using Jint.Repl sebastienros/jint#2326

Full Changelog: sebastienros/jint@v4.6.3...v4.6.4

4.6.3

What's Changed

• Update Acornima to 1.3.0 and enable RegExp modifiers by @​Copilot in Update Acornima to 1.3.0 and enable RegExp modifiers sebastienros/jint#2322
• Bump Meziantou.Analyzer and 5 others by @​dependabot[bot] in Bump Meziantou.Analyzer and 5 others sebastienros/jint#2323
• Fix prepared script performance regression from shared identifier cache thrashing by @​lahma in Fix prepared script performance regression from shared identifier cache thrashing sebastienros/jint#2324

Full Changelog: sebastienros/jint@v4.6.2...v4.6.3

4.6.2

What's Changed

• Update benchmark results by @​lahma in Update benchmark results sebastienros/jint#2000
• Fix cached Promise result being reused across for…of loop iterations with await by @​Copilot in Fix cached Promise result being reused across for…of loop iterations with await sebastienros/jint#2304
• docs: fix 2 typos in README.md by @​Withered-Flower-0422 in docs: fix 2 typos in README.md sebastienros/jint#2307
• Implement ECMAScript Annex B web compatibility features by @​lahma in Implement ECMAScript Annex B web compatibility features sebastienros/jint#2308
• Fix destructuring spec compliance for IteratorClose, done tracking, and binding order by @​lahma in Fix destructuring spec compliance for IteratorClose, done tracking, and binding order sebastienros/jint#2309
• Fix some test262 failures by @​lahma in Fix some test262 failures sebastienros/jint#2310
• Fix empty Dictionary when passing JS object to CLR method accepting Dictionary<string, T> by @​Copilot in Fix empty Dictionary when passing JS object to CLR method accepting Dictionary<string, T> sebastienros/jint#2312
• Fix test262 failures after suite update by @​lahma in Fix test262 failures after suite update sebastienros/jint#2313
• Implement Promise.allKeyed() and Promise.allSettledKeyed() by @​lahma in Implement Promise.allKeyed() and Promise.allSettledKeyed() sebastienros/jint#2314
• Implement import-bytes module support by @​lahma in Implement import-bytes module support sebastienros/jint#2315
• Fix module-graphs-does-not-hang and import abrupt return test262 failures by @​lahma in Fix module-graphs-does-not-hang and import abrupt return test262 failures sebastienros/jint#2316
• Fix eval-code direct eval var arguments conflict detection by @​lahma in Fix eval-code direct eval var arguments conflict detection sebastienros/jint#2317
• Fix locale-specific date separators in DateTimeFormat by @​lahma in Fix locale-specific date separators in DateTimeFormat sebastienros/jint#2319
• Fix duplicate named capturing groups and clean up regex test262 exclusions by @​lahma in Fix duplicate named capturing groups and clean up regex test262 exclusions sebastienros/jint#2320

New Contributors

• @​Withered-Flower-0422 made their first contribution in docs: fix 2 typos in README.md sebastienros/jint#2307

Full Changelog: sebastienros/jint@v4.6.1...v4.6.2

4.6.1

What's Changed

• Fix CLR toJSON method invocation in JSON.stringify by @​Copilot in Fix CLR toJSON method invocation in JSON.stringify sebastienros/jint#2292
• Add UnwrapIfPromiseAsync extension method for non-blocking promise resolution by @​Copilot in Add UnwrapIfPromiseAsync extension method for non-blocking promise resolution sebastienros/jint#2298
• Bump the all-dependencies group with 4 updates by @​dependabot[bot] in Bump the all-dependencies group with 4 updates sebastienros/jint#2294
• Fix Object.freeze() support for CLR dictionary-backed ObjectWrapper by @​Copilot in Fix Object.freeze() support for CLR dictionary-backed ObjectWrapper sebastienros/jint#2296
• Fix InvalidCastException when a property getter is a bound function by @​Copilot in Fix InvalidCastException when a property getter is a bound function sebastienros/jint#2301
• Optimize Date operations and object resolution by @​Copilot in Optimize Date operations and object resolution sebastienros/jint#2288

Full Changelog: sebastienros/jint@v4.6.0...v4.6.1

4.6.0

This release brings Temporal and internationalization APIs available. There still might be some rough edges and specific non-English cultures might be missing specific formatting. There's a breaking change for custom IReferenceResolver in #​2266 , undefined and null semantics changed to make engine work as required by the official specification.

Temporal and internationalization APIs are augmented with plugins to provide data from NodaTime and ICU4N, see https://github.com/sebastienros/jint/tree/main/Jint.Tests.Test262 for example implementations.

What's Changed

• Preserve lexical block environment across async loop resumes by @​Copilot in Preserve lexical block environment across async loop resumes sebastienros/jint#2250
• Add core Intl infrastructure by @​lahma in feat(intl): Add core Intl infrastructure sebastienros/jint#2253
• Add CLDR data files and DefaultCldrProvider by @​lahma in Add CLDR data files and DefaultCldrProvider sebastienros/jint#2254
• Add Intl global object and Intl.Locale by @​lahma in Add Intl global object and Intl.Locale sebastienros/jint#2255
• Add Intl.Collator and update String.localeCompare by @​lahma in Add Intl.Collator and update String.localeCompare sebastienros/jint#2256
• Add Intl.PluralRules by @​lahma in Add Intl.PluralRules sebastienros/jint#2257
• Add Intl.NumberFormat and update toLocaleString by @​lahma in Add Intl.NumberFormat and update toLocaleString sebastienros/jint#2258
• Add Intl.DateTimeFormat and update toLocaleString by @​lahma in Add Intl.DateTimeFormat and update toLocaleString sebastienros/jint#2259
• Complete Intl API with remaining formatters and tests by @​lahma in Complete Intl API with remaining formatters and tests sebastienros/jint#2260
• Temporal API infrastructure by @​lahma in Temporal API infrastructure sebastienros/jint#2262
• Implement Temporal.Duration by @​lahma in Implement Temporal.Duration sebastienros/jint#2263
• Regenerate test suite on settings file change by @​lahma in Regenerate test suite on settings file change sebastienros/jint#2265
• Enable tests and fix issues by @​lahma in Enable tests and fix issues sebastienros/jint#2266
• Improve Internalization API performance by @​lahma in Improve Internalization API performance sebastienros/jint#2267
• Update test262 suite and fix issues by @​lahma in Update test262 suite and fix issues sebastienros/jint#2271
• Implement Temporal by @​lahma in Implement Temporal sebastienros/jint#2264
• Improve Decode performance by @​lahma in Improve Decode performance sebastienros/jint#2272
• Fix some internalization API issues by @​lahma in Fix some internalization API issues sebastienros/jint#2273
• Add async .NET API for JavaScript async/await without blocking threads by @​desty2k in Add async .NET API for JavaScript async/await without blocking threads sebastienros/jint#2274
• Improve string concatenation performance by @​lahma in Improve string concatenation performance sebastienros/jint#2275
• Bump the all-dependencies group with 6 updates by @​dependabot[bot] in Bump the all-dependencies group with 6 updates sebastienros/jint#2276
• Add decorator hook for CLR exception error objects by @​Copilot in Add decorator hook for CLR exception error objects sebastienros/jint#2280
• Enable Temporal related internalization API tests and fix issues by @​lahma in Enable Temporal related internalization API tests and fix issues sebastienros/jint#2277
• Add constraint checks to array and typed array methods that bypass memory limits by @​Copilot in Add constraint checks to array and typed array methods that bypass memory limits sebastienros/jint#2282
• Add SourceOffset to ScriptParsingOptions for embedded JS snippet error mapping by @​Copilot in Add SourceOffset to ScriptParsingOptions for embedded JS snippet error mapping sebastienros/jint#2283
• Add Copilot instructions by @​lahma in Add Copilot instructions sebastienros/jint#2286
• Fix IReadOnlyDictionary being treated as array-like instead of dictionary by @​lahma in Fix IReadOnlyDictionary being treated as array-like instead of dictionary sebastienros/jint#2287
• Improve function call performance by @​lahma in Improve function call performance sebastienros/jint#2281

New Contributors

• @​Copilot made their first contribution in Preserve lexical block environment across async loop resumes sebastienros/jint#2250
• @​desty2k made their first contribution in Add async .NET API for JavaScript async/await without blocking threads sebastienros/jint#2274

Full Changelog: sebastienros/jint@v4.5.0...v4.6.0

4.5.0

This is a significant milestone as this release graduates generators functionality from experimental and contains proper suspension and resume logic for both generators and async/await logic. There are a lot of changes to internals so make sure you test thoroughly.

Task interop is still marked as experimental and requires enabling explicitly in Engine options, but it also has had improvements to make it work better in Engine's event loop.

For background work to complete without engine interaction (evaluation) you need to manually process the tasks (for example if you have a timeout pending after script has been run).

engine.Execute(script);
for (var i = 0; i < 100; ++i)
{
    engine.Advanced.ProcessTasks();
    await Task.Delay(100);
}

What's Changed

• Allows the conversion of primses to tasks when pasing an async function as argument by @​REscobar in Allows the conversion of primses to tasks when pasing an async function as argument sebastienros/jint#2197
• Bump the all-dependencies group with 3 updates by @​dependabot[bot] in Bump the all-dependencies group with 3 updates sebastienros/jint#2198
• Fix missing control characters in Json Parse Key by @​H4ad in Fix missing control characters in Json Parse Key sebastienros/jint#2202
• Use NET 10 SDK to build and test by @​lahma in Use NET 10 SDK to build and test sebastienros/jint#2185
• Upgrade packages by @​lahma in Upgrade packages sebastienros/jint#2212
• Convert solution to slnx format by @​lahma in Convert solution to slnx format sebastienros/jint#2213
• Defer iterator next method check until actually iterating by @​lahma in Defer iterator next method check until actually iterating sebastienros/jint#2214
• Add ArrayExpression and ObjectExpression to computed property key types by @​lahma in Add ArrayExpression and ObjectExpression to computed property key types sebastienros/jint#2215
• Fix parameter TDZ and eval-var-scope handling by @​lahma in Fix parameter TDZ and eval-var-scope handling sebastienros/jint#2216
• ES6 Generators by @​lahma in ES6 Generators sebastienros/jint#824
• Bump the all-dependencies group with 1 update by @​dependabot[bot] in Bump the all-dependencies group with 1 update sebastienros/jint#2217
• Refactor generator control flow from exceptions to flags by @​lahma in Refactor generator control flow from exceptions to flags sebastienros/jint#2218
• Implement Iterator Helpers by @​lahma in Implement Iterator Helpers sebastienros/jint#2032
• Implement Iterator Sequencing by @​lahma in Implement Iterator Sequencing sebastienros/jint#2031
• Update test262 test suite and fix issues by @​lahma in Update test262 test suite and fix issues sebastienros/jint#2219
• Implement RegExp.escape() by @​lahma in Implement RegExp.escape() sebastienros/jint#2220
• Implement Immutable ArrayBuffers by @​lahma in Implement Immutable ArrayBuffers sebastienros/jint#2222
• Implement Joint Iteration by @​lahma in Implement Joint Iteration sebastienros/jint#2221
• Improve REPL for AI usage by @​lahma in Improve REPL for AI usage sebastienros/jint#2224
• Implement JSON.parse source text access by @​lahma in Implement JSON.parse source text access sebastienros/jint#2223
• Rename IsGeneratorSuspended to IsSuspended by @​lahma in Rename IsGeneratorSuspended to IsSuspended sebastienros/jint#2226
• ECMAScript-compliant async/await with proper suspension by @​lahma in ECMAScript-compliant async/await with proper suspension sebastienros/jint#2225
• Filter TypeReference constructors using TypeResolver.MemberFilter by @​lahma in Filter TypeReference constructors using TypeResolver.MemberFilter sebastienros/jint#2227
• Implement async-iteration by @​lahma in Implement async-iteration sebastienros/jint#2228
• Implement Array.fromAsync by @​lahma in Implement Array.fromAsync sebastienros/jint#2229
• Add agent support to test262 testing by @​lahma in Add agent support to test262 testing sebastienros/jint#2231
• Bump the all-dependencies group with 2 updates by @​dependabot[bot] in Bump the all-dependencies group with 2 updates sebastienros/jint#2232
• Implement Atomics by @​lahma in Implement Atomics sebastienros/jint#2230
• ValueTask and IAsyncEnumerable interop support by @​lahma in ValueTask<TResult> and IAsyncEnumerable<T> interop support sebastienros/jint#2233
• Disable fail-fast in GitHub Actions workflow by @​lahma in Disable fail-fast in GitHub Actions workflow sebastienros/jint#2235
• Add jsValue.UnwrapIfPromise(CancellationToken cancellationToken) by @​lahma in Add jsValue.UnwrapIfPromise(CancellationToken cancellationToken) sebastienros/jint#2234
• Fix Test262Test setTimeout concurrency issue by @​lahma in Fix Test262Test setTimeout concurrency issue sebastienros/jint#2236
• Type resolution should use runtime type when declared type has indexer by @​lahma in Type resolution should use runtime type when declared type has indexer sebastienros/jint#2237
• JSE.GetBaseException() shouldn't return JavaScriptErrorWrapperException by @​lahma in JSE.GetBaseException() shouldn't return JavaScriptErrorWrapperException sebastienros/jint#2238
  ... (truncated)

4.4.2

What's Changed

• Upgrade to xUnit v3 by @​lahma in Upgrade to xUnit v3 sebastienros/jint#2154
• Fix BigInt modulo assignment by @​lahma in Fix BigInt modulo assignment sebastienros/jint#2178
• Fix Object.is when providing BigInt values by @​tomatosalat0 in Fix Object.is when providing BigInt values sebastienros/jint#2183
• Prevent accidental leakage of arguments between separate calls by @​tomatosalat0 in Prevent accidental leakage of arguments between separate calls sebastienros/jint#2193
• Rewrite of flaky test by @​tomatosalat0 in Rewrite of flaky test sebastienros/jint#2195
• Allow garbage collector to collect unused memory by @​tomatosalat0 in Allow garbage collector to collect unused memory sebastienros/jint#2196

Full Changelog: sebastienros/jint@v4.4.1...v4.4.2

4.4.1

What's Changed

• Add Options.Constraints.PromiseTimeout To Control timeout for DisposeHint.Async and JintAwaitExpression by @​rocklau in Add Options.Constraints.PromiseTimeout To Control timeout for DisposeHint.Async and JintAwaitExpression sebastienros/jint#2150
• Fix iterating a clr list proxy and length property by @​martinbu in Fix iterating a clr list proxy and length property sebastienros/jint#2151
• Fix MethodAccessor property flags by @​lahma in Fix MethodAccessor property flags sebastienros/jint#2153

New Contributors

• @​rocklau made their first contribution in Add Options.Constraints.PromiseTimeout To Control timeout for DisposeHint.Async and JintAwaitExpression sebastienros/jint#2150

Full Changelog: sebastienros/jint@v4.4.0...v4.4.1

4.4.0

This release brings both using and await using statements available to both native JS usage and NET interop. Interop will automatically wrap IDisposable and IAsyncDisposable to have handlers that will be called after using scope ends. Read more about the proposal.

What's Changed

• Fix default parameter handling under interop by @​lahma in Fix default parameter handling under interop sebastienros/jint#2134
• Support writing length to IList under interop by @​lahma in Support writing length to IList under interop sebastienros/jint#2135
• Passing space arg to Options.Interop.SerializeToJson by @​Zaitonn in Passing space arg to Options.Interop.SerializeToJson sebastienros/jint#2142
• Add explicit resource management supporting types by @​lahma in Add explicit resource management supporting types sebastienros/jint#2143
• Upgrade to Acornima v1.2.0 by @​adams85 in Upgrade to Acornima v1.2.0 sebastienros/jint#2145
• Add support for using and await using by @​lahma in Add support for using and await using sebastienros/jint#2139

New Contributors

• @​Zaitonn made their first contribution in Passing space arg to Options.Interop.SerializeToJson sebastienros/jint#2142

Full Changelog: sebastienros/jint@v4.3.0...v4.4.0

4.3.0

What's Changed

• Fix ObjectAccessBenchmark test by @​mac-michael in Fix ObjectAccessBenchmark test sebastienros/jint#2100
• Add default 10 second timeout for promise unwrapping by @​lahma in Add default 10 second timeout for promise unwrapping sebastienros/jint#2103
• Fix erroneous caching by providing each function instance with it own interop variant by @​warappa in #2099: Fix erroneous caching by providing each function instance with it own interop variant sebastienros/jint#2105
• Fix calling pop on generic list of value types by @​Genteure in Fix calling pop on generic list of value types sebastienros/jint#2112
• Fix NRE in BuildTargetBinderDelegate by @​warappa in #2114: Fix NRE in BuildTargetBinderDelegate sebastienros/jint#2116
• Improve Half interop handling by @​lahma in Improve Half interop handling sebastienros/jint#2121
• Make eval syntax checks not descend into function declarations by @​rg1 in Bugfix/2106 make eval syntax checks not descend into function declarations sebastienros/jint#2123
• Update test262 harness and fix issues by @​lahma in Update test262 harness and fix issues sebastienros/jint#2126
• Implement Upsert by @​lahma in Implement Upsert sebastienros/jint#2127
• Implement V8-styled stacktraces by @​Guichaguri in Implement V8-styled stacktraces sebastienros/jint#2129
• Improve interop member resolution when enum indexer present by @​lahma in Improve interop member resolution when enum indexer present sebastienros/jint#2131

New Contributors

• @​mac-michael made their first contribution in Fix ObjectAccessBenchmark test sebastienros/jint#2100
• @​warappa made their first contribution in #2099: Fix erroneous caching by providing each function instance with it own interop variant sebastienros/jint#2105
• @​rg1 made their first contribution in Bugfix/2106 make eval syntax checks not descend into function declarations sebastienros/jint#2123
• @​Guichaguri made their first contribution in Implement V8-styled stacktraces sebastienros/jint#2129

Full Changelog: sebastienros/jint@v4.2.2...v4.3.0

4.2.2

This release improves interop performance when you target CLR methods with lambda functions, like List<string>.Find(x => x === "test").

What's Changed

• Update bug_report.md by @​lahma in Update bug_report.md sebastienros/jint#2070
• Remove unused usings by @​lahma in Remove unused usings sebastienros/jint#2072
• Use collection expressions by @​lahma in Use collection expressions sebastienros/jint#2073
• Enforce code style on build and fix issues by @​lahma in Enforce code style on build and fix issues sebastienros/jint#2074
• Use matrix to run PR builds, add ARM runner by @​lahma in Use matrix to run PR builds, add ARM runner sebastienros/jint#2075
• Create config.yml for issues templates by @​lahma in Create config.yml for issues templates sebastienros/jint#2077
• Bump the all-dependencies group with 3 updates by @​dependabot in Bump the all-dependencies group with 3 updates sebastienros/jint#2079
• Bump the all-dependencies group with 2 updates by @​dependabot in Bump the all-dependencies group with 2 updates sebastienros/jint#2080
• Improve interop performance against dictionary by @​lahma in Improve interop performance against dictionary sebastienros/jint#2088

Full Changelog: sebastienros/jint@v4.2.1...v4.2.2

Commits viewable in compare view.

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot]

Labels

The following labels could not be found: dependencies, nuget. Please create them before Dependabot can add them to a pull request.

Please fix the above issues or remove invalid values from dependabot.yml.

[dependabot]

Superseded by #27.