chakra-core/ChakraCore

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ChakraCore is an open source Javascript engine with a C API.

Stars: 9.3k
Forks: 1.2k
Open beginner issues: 0
Indexed issues: 582

Dominant language: JavaScript
License: MIT
Last GitHub push: Feb 19, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

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582 open issues indexed

ASSERTION (pFuncBody->GetYieldRegister() == oldYieldRegister) failed in Js::DebugContext::RundownSourcesAndReparse Open

Bug Debugger

chakra-core/ChakraCore#6453 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
ASSERTION (VarIs<T>(obj)) failed in Js::VarTo Open

Bug Debugger

chakra-core/ChakraCore#6454 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION failed in GlobOpt::CollectMemOpInfo Open

Bug

chakra-core/ChakraCore#6455 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION fails in Array.prototype.copyWithin Open

Bug good first issue

chakra-core/ChakraCore#6458 · 8 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Redeclaration of a function* inside a block definition Open

Bug help wanted

chakra-core/ChakraCore#6459 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Raw bracket is not allowed in regular expression with unicode flag Open

Bug

chakra-core/ChakraCore#6460 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
ubuntu16.04 aarch64, not found makefile Open

Arm

chakra-core/ChakraCore#6468 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Building Chakra-Core statically through VS 2019 under Windows Open

chakra-core/ChakraCore#6471 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
FatalInternalError in ReparseAsmJsModule Open

chakra-core/ChakraCore#6472 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION 31891: (/home/yongheng/ChakraCore/lib/Backend/FlowGraph.cpp, line 2090) this->func->IsLoopBodyInTry() Failure: (this->func->IsLoopBodyInTry()) Open

chakra-core/ChakraCore#6473 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION 17123: (/home/yongheng/ChakraCore/lib/Backend/Lower.cpp, line 7229) false Failure: (false) Open

chakra-core/ChakraCore#6474 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Wrong Assertion in GlobOpt::CollectMemOpInfo Open

Bug good first issue Linux

chakra-core/ChakraCore#6476 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
JsGetOwnPropertyNames returns an array with a undefined length Open

chakra-core/ChakraCore#6481 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION 19984: (/home/yongheng/ChakraCore/lib/Backend/FlowGraph.cpp, line 3959) succ->loop == nullptr || succ->loop->IsDescendentOrSelf(loop) Open

chakra-core/ChakraCore#6482 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION : (/home/yongheng/ChakraCore/lib/Backend/FlowGraph.cpp, line 1814) !this->func->DoGlobOpt() Open

chakra-core/ChakraCore#6483 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion ArgList too large failed in ChakraCore/lib/Runtime/Base/CallInfo.cpp Open

chakra-core/ChakraCore#6485 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion fail: Js reentrancy error Open

Bug

chakra-core/ChakraCore#6486 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure: (tmpReg == this->curTmpReg - 1) Open

Bug Severity: 2

chakra-core/ChakraCore#6488 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Crash in GCStress with concurrent GC enabled Open

chakra-core/ChakraCore#6495 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[android_armv7-a]undefined RegSP, RegR0 Open

Arm

chakra-core/ChakraCore#6498 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Program terminated with signal SIGSEGV, Segmentation fault Open

Memory Needs More Info

chakra-core/ChakraCore#6504 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Fail in inlinecache.inl Open

Bug help wanted Severity: 2

chakra-core/ChakraCore#6506 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ByteCode Updward Exposed mismatch after DeadStore Open

Bug Severity: 1

chakra-core/ChakraCore#6511 · 13 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
RegExp.prototype.lastIndex cannot be set properly via Object.defineProperty Open

Bug ES Spec Conformance

chakra-core/ChakraCore#6512 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
A question about uninitialized variables Open

Bug help wanted Severity: 3

chakra-core/ChakraCore#6516 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in interpreterstackframe.cpp when handling eval() Open

Bug Debugger Severity: 3

chakra-core/ChakraCore#6517 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
An issue about the Object.freeze() Open

Bug

chakra-core/ChakraCore#6518 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
WebAssembly stack overflow crash Open

Bug WebAssembly

chakra-core/ChakraCore#6524 · 2 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
Chakracore Future - Volunteers wanted Open

chakra-core/ChakraCore#6526 · 29 comments · 8 reactions · 0 assignees · Indexed Sep 14, 2026
An Assertion triggered by Js::NumberUtilities::IsInSupplementaryPlane() in jitted code Open

chakra-core/ChakraCore#6538 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in OutputPropertyValue<T>::impl Open

Bug help wanted

chakra-core/ChakraCore#6539 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in JavascriptArray::FindHelper() Open

Bug help wanted

chakra-core/ChakraCore#6541 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in GlobOpt::SetLoopFieldInitialValue() Open

chakra-core/ChakraCore#6542 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Review flag NTBUILD Open

Codebase Quality help wanted

chakra-core/ChakraCore#6544 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Enable our own CI Open

needs-fuzzing

chakra-core/ChakraCore#6547 · 21 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
JavascriptLibrary.cpp Initialization methods with wrong property counts Open

Codebase Quality Performance

chakra-core/ChakraCore#6563 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document config options documentation Open

Dev Experience

chakra-core/ChakraCore#6565 · 3 comments · 0 reactions · 3 assignees · Indexed Sep 14, 2026
Rename NuGet packages Open

chakra-core/ChakraCore#6568 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider UTF-8? Open

Discussion

chakra-core/ChakraCore#6570 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Recommendations for improving an existing NuGet packages for .NET projects Open

Dev Experience

chakra-core/ChakraCore#6572 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Explore deleting rl.exe Open

Codebase Quality Continuous Integration

chakra-core/ChakraCore#6585 · 8 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Recommendations for new structure of NuGet packages for .NET projects Open

Dev Experience

chakra-core/ChakraCore#6586 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
An issue about constant Open

Bug ES Spec Conformance

chakra-core/ChakraCore#6590 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Suggestion: Convert 262.js, DbgController.js and Encode.js into bytecode Open

Suggestion

chakra-core/ChakraCore#6591 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove Pal Dependency from ch Open

Codebase Quality

chakra-core/ChakraCore#6593 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Explore slow linux and macOS compile times Open

Codebase Quality Linux OSX

chakra-core/ChakraCore#6594 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Set up our own fuzzer Open

Continuous Integration

chakra-core/ChakraCore#6602 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Spec deviation in RegExp.prototype[@@search]() Open

chakra-core/ChakraCore#6612 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ChakraCore in a browser Open

chakra-core/ChakraCore#6622 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
ReportFatalException1 Open

By Design ES Spec Conformance

chakra-core/ChakraCore#6624 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

chakra-core/ChakraCore

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