emscripten-core/emscripten

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Emscripten: An LLVM-to-WebAssembly Compiler

Stars: 27.6k
Forks: 3.6k
Open beginner issues: 0
Indexed issues: 2k
Avg merge: 1d 1h
Merged PRs (30d): 105

Dominant language: C++
License: No license data
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

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2040 open issues indexed

Is sigsuspend implemented? Open

emscripten-core/emscripten#12283 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Data files are loaded from root, not from directory where js file is loaded from Open

good first bug help wanted

emscripten-core/emscripten#12288 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Invalid index into function table when running a function from module the second time Open

wontfix

emscripten-core/emscripten#12293 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Asyncify returns immediately even when called indirectly Open

asyncify

emscripten-core/emscripten#12299 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Heap growth notifications Open

emscripten-core/emscripten#12336 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
A question about how EMCC implements WASI Open

wontfix

emscripten-core/emscripten#12341 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[feature request] Automatic chunking of data files by file_packager and FS (and potentially wasm files as well?) Open

emscripten-core/emscripten#12342 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Loading data packages into MODULARIZE'd modules dynamically without --pre-js Open

emscripten-core/emscripten#12347 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[question] Using lazy files in browser in main thread but in async mode Open

wontfix

emscripten-core/emscripten#12349 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
windows下使用docker，在dockerHub介绍页未提供命令示例 Open

wontfix

emscripten-core/emscripten#12350 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
missing informative way of extracting WebGL context creation failures Open

help wanted wontfix

emscripten-core/emscripten#12355 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
How to pass a pointer to float array in Javascript Open

wontfix

emscripten-core/emscripten#12359 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
pthread_create doesn't run Open

emscripten-core/emscripten#12360 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
browser.test_pthread_create more flakey in CI in recent days. Open

emscripten-core/emscripten#12368 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
building.py uses bogus python paths on MSYS2 Open

emscripten-core/emscripten#12376 · 28 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
LLVM version appears incorrect after install in Ubuntu 18.04 Open

wontfix

emscripten-core/emscripten#12381 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add an option to support big-endian machines Open

good first bug help wanted

emscripten-core/emscripten#12387 · 34 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Exiting pthreads postMessage to report the exit, which requires the main thread to receive events in order to reuse them Open

help wanted multithreading

emscripten-core/emscripten#12400 · 33 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Switch from Terser to escodegen Open

help wanted

emscripten-core/emscripten#12410 · 20 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
nanosleep autoconf check hangs forever Open

emscripten-core/emscripten#12415 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How to call emmake to pass down MAKEFLAGS Open

emscripten-core/emscripten#12424 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
discussion - feasibility to integrate `https://wicg.github.io/file-system-access/` Open

wasmfs

emscripten-core/emscripten#12428 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Overhead of VAL? Open

wontfix

emscripten-core/emscripten#12440 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Why leads SDL_CreateWindowAndRenderer() to wrong behaviour of a JS Slider on Mozilla? Open

wontfix

emscripten-core/emscripten#12444 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Embind: Memory and reference issues with vectors Open

embind

emscripten-core/emscripten#12455 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
register_map resulting .keys() function can't be called. Open

embind wontfix

emscripten-core/emscripten#12459 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How to access to FS in Module, before promise is completed? Open

wontfix

emscripten-core/emscripten#12460 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
MAXIMUM_MEMORY=-1 Open

good first bug help wanted wontfix

emscripten-core/emscripten#12462 · 13 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
pthread error Open

emscripten-core/emscripten#12473 · 9 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
webidl: Why remove the underline of a variable or function Open

wontfix

emscripten-core/emscripten#12495 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Failed to parse metadata - Newline escaping Open

wontfix

emscripten-core/emscripten#12514 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Provide file path for source files when debugging Open

wontfix

emscripten-core/emscripten#12515 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot build MyMonero library Open

wontfix

emscripten-core/emscripten#12528 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Clarify and document our support or lack of it for msys2/cygwin/mingw Open

good first bug help wanted wontfix

emscripten-core/emscripten#12533 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Failed to fetch compiler version information with command "'C:/emsdk/upstream/emscripten/emcc.bat' ] Open

emscripten-core/emscripten#12537 · 19 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Index out of bounds error with an array of certain size Open

wontfix

emscripten-core/emscripten#12571 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
add asyncify into gl_in_pthread.cpp Open

asyncify

emscripten-core/emscripten#12572 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Want invoke remote FLASK (rest) server from my C++ client Open

wontfix

emscripten-core/emscripten#12577 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Undefined Reference while using webgl Open

wontfix

emscripten-core/emscripten#12596 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
libunwind CREDITS.TXT is missing - and arguably required to comply with its license Open

good first bug help wanted pinned

emscripten-core/emscripten#12605 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Switch to disable configuration through environment variables Open

wontfix

emscripten-core/emscripten#12611 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Increase visibility of --extern-post-js for avoiding onRuntimeInitialized misfires; consider Promisifying onRuntimeInitialized Open

emscripten-core/emscripten#12637 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Emscripten 2.0.8] Assertion failed: (ESI.Type != EST_Uninstantiated), function SubstExceptionSpec Open

wontfix

emscripten-core/emscripten#12639 · 8 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
WebIDL static on prototype vs. function/class definition is not correct Open

wontfix

emscripten-core/emscripten#12676 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
system/lib/libc/musl/COPYRIGHT references non-existent file src/string/arm/memcpy_el.S Open

good first bug help wanted pinned

emscripten-core/emscripten#12680 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
emscripten fetch api should be more like JS Fetch API Open

emscripten-core/emscripten#12684 · 8 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
wasm2c.js sources/build-routines are missing Open

wontfix

emscripten-core/emscripten#12688 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add testing for our windows-specific emcmake behaviour. Open

wontfix

emscripten-core/emscripten#12691 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
A programmatic way to kill running WASM instance on Browser? Open

wontfix

emscripten-core/emscripten#12696 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
file-packager js output not working with closure and --pre-js Open

good first bug help wanted

emscripten-core/emscripten#12701 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

emscripten-core/emscripten

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