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 failure in PathTypeHandler.cpp Open

Bug Needs Triage

chakra-core/ChakraCore#6771 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in CallInfo.cpp Open

Bug

chakra-core/ChakraCore#6772 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Assertion failure in /IntlEngineInterfaceExtensionObject.cpp Open

Bug

chakra-core/ChakraCore#6773 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in JavascriptArray.cpp Open

Needs More Info

chakra-core/ChakraCore#6774 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in InlineCache.inl Open

chakra-core/ChakraCore#6775 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in CacheOperators.inl Open

chakra-core/ChakraCore#6776 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in BackwardPass.cpp Open

chakra-core/ChakraCore#6777 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in Backend/ValueInfo.cpp Open

chakra-core/ChakraCore#6778 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in EncoderMD.cpp Open

chakra-core/ChakraCore#6779 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in Backend/Lower.cpp Open

chakra-core/ChakraCore#6780 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in GlobOpt.cpp Open

chakra-core/ChakraCore#6781 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure in FuncInfo.cpp Open

chakra-core/ChakraCore#6782 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Calling JsCallFunction with arguments? Open

chakra-core/ChakraCore#6784 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
VC 2015 build issue. JavascriptArray.cpp(8938) error C2872: 'uint32_t': ambiguous symbol Open

chakra-core/ChakraCore#6791 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure: (m_pc + m_funcState.size == m_currentSection.end) in ChakraCore/lib/WasmReader/WasmBinaryReader.cpp, line 1319 Open

Needs Triage

chakra-core/ChakraCore#6792 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure: "reg < this->GetConstantCount()" in ChakraCore/lib/Runtime/./Base/FunctionBody.h, line 2977 Open

Needs Triage

chakra-core/ChakraCore#6793 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure: (opndConstructor->m_sym->m_isSingleDef) in ChakraCore/lib/Backend/IRBuilder.cpp, line 2394 Open

Bug help wanted Severity: 3

chakra-core/ChakraCore#6794 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure "entryPointInfo != nullptr" in ChakraCore/lib/Runtime/Language/JavascriptStackWalker.cpp, line 1289 Open

Bug

chakra-core/ChakraCore#6801 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure "scopeSlotCount != 0" in ChakraCore/lib/Runtime/Language/InterpreterStackFrame.cpp, line 7592 Open

Bug

chakra-core/ChakraCore#6802 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure "U_BUFFER_OVERFLOW_ERROR" in ChakraCore/lib/Runtime/Library/IntlEngineInterfaceExtensionObject.cpp, line 941 Open

Bug Severity: 2

chakra-core/ChakraCore#6803 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure "U_ILLEGAL_ARGUMENT_ERROR" in ChakraCore/lib/Runtime/Library/IntlEngineInterfaceExtensionObject.cpp, line 945 Open

Needs Triage

chakra-core/ChakraCore#6804 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure "U_STRING_NOT_TERMINATED_WARNING" in ChakraCore-master/lib/Runtime/Library/IntlEngineInterfaceExtensionObject.cpp, line 941 Open

Bug Severity: 2

chakra-core/ChakraCore#6805 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure "Js reentrancy error" in ChakraCore/lib/Common/Exceptions/Throw.cpp, line 103 Open

Needs Triage

chakra-core/ChakraCore#6806 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure: "Re-add of deleted property NYI in PathTypeHandler" in ChakraCore/lib/Runtime/Types/PathTypeHandler.cpp Open

chakra-core/ChakraCore#6810 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure: (!Js::TaggedInt::Is(right)) in ChakraCore/lib/Backend/GlobOpt.cpp Open

chakra-core/ChakraCore#6811 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION Failure: "(index < functionBody->GetProfiledArrayCallSiteCount())" in ChakraCore/lib/Runtime/Language/DynamicProfileInfo.cpp Open

Bug Build Bug Severity: 2

chakra-core/ChakraCore#6812 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
”JsSetObjectBeforeCollectCallback“ No call Open

Question

chakra-core/ChakraCore#6813 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ChakraCore failed to build "error MSB8013: This project doesn't contain the Configuration and Platform combination of Release|ARM64EC." with MSVC on Windows arm64ec Open

chakra-core/ChakraCore#6816 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
for-loop optimization causes a null pointer exception Open

Needs More Info

chakra-core/ChakraCore#6817 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How can I import and use a module from file Open

chakra-core/ChakraCore#6820 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Unsupported target processor: AMD64 Open

Needs More Info

chakra-core/ChakraCore#6821 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
incorrect result with unsigned right shift operator Open

Bug

chakra-core/ChakraCore#6822 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Object.defineProperty with length doesn't work correctly Open

Bug

chakra-core/ChakraCore#6823 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Embedding Samples Open

chakra-core/ChakraCore#6826 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Upgrade CI images Open

Continuous Integration

chakra-core/ChakraCore#6831 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Release 1.11 on Ubuntu 20 and later Open

Dev Experience

chakra-core/ChakraCore#6836 · 0 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
Support lacking for Apple Silicon (ARM) Open

Task

chakra-core/ChakraCore#6860 · 15 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Fresh Windows MSVC build fails, then succeeds on second attempt Open

Build Bug Windows

chakra-core/ChakraCore#6875 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
For loop leads to a crash Open

chakra-core/ChakraCore#6876 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
chakra Inconsistent execution results Open

chakra-core/ChakraCore#6877 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Seems to be JIT optimization problem Open

chakra-core/ChakraCore#6878 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
chakra Inherit problem Open

chakra-core/ChakraCore#6880 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
JIT did not handle array length correctly Open

chakra-core/ChakraCore#6882 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ChakraCore JIT problem with array Open

chakra-core/ChakraCore#6883 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
dynamic-stack-buffer-overflow in release build Open

Bug Severity: 3

chakra-core/ChakraCore#6884 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SEGV (/root/ChakraCore-latest/out/Release/ch+0x8bcaaf) in Js::DiagScopeVariablesWalker::GetChildrenCount() Open

Bug Severity: 3

chakra-core/ChakraCore#6885 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SEGV (/root/ChakraCore-latest/out/Release/ch+0xe248a5) in Js::ProfilingHelpers::ProfiledNewScArray(unsigned int, Js::FunctionBody*, unsigned short) Open

Bug Severity: 2

chakra-core/ChakraCore#6886 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SEGV (/root/ChakraCore-latest/out/Release/ch+0x6e3fff) in Js::EntryPointInfo::HasInlinees() Open

Bug Severity: 2

chakra-core/ChakraCore#6887 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SEGV on unknown address 0x000000000000 Open

Bug Severity: 1

chakra-core/ChakraCore#6888 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support building with CMake and MSYS2 on Windows Open

Question

chakra-core/ChakraCore#6889 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

chakra-core/ChakraCore

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