emscripten-core/emscripten

View on GitHub

Emscripten: An LLVM-to-WebAssembly Compiler

Stars: 27.6k
Forks: 3.6k
Open beginner issues: 0
Indexed issues: 2k
Avg merge: 1d 14h
Merged PRs (30d): 125

Dominant language: C++
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

Open All

2,037 open issues indexed

emscripten::val::call in SIDE_MODULE fails with 'BindingError' unknown type 'N10emscripten3valE' Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

emscripten-core/emscripten#16846 · 1 comment · Opened Apr 29, 2022
c-string parameter of js->c callback function is corrupt unless literal Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

emscripten-core/emscripten#16814 · 2 comments · Opened Apr 26, 2022
Getting networking asynchrony to work with Emscripten Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

emscripten-core/emscripten#16811 · 2 comments · 2 reactions · Opened Apr 25, 2022
Regression: NODERAWFS doesn't seem to be releasing file descriptors Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16806 · 4 comments · Opened Apr 25, 2022
[BUG] missing update HEAP's DateView in updateGlobalBufferAndViews Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

emscripten-core/emscripten#16800 · 1 comment · Opened Apr 24, 2022
MODULARIZE + WASM=0 + pthreads does not work Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16794 · 1 comment · Opened Apr 22, 2022
Add a graceful version of dlopen()? Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

emscripten-core/emscripten#16790 · 12 comments · Opened Apr 22, 2022
Is it possible to transfer javascript to LLVM IR with emscripten? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

emscripten-core/emscripten#16772 · 1 comment · Opened Apr 21, 2022
SIDE_MODULE=2 deletes functions of exported class that are used and called Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

emscripten-core/emscripten#16762 · 6 comments · Opened Apr 20, 2022
[Docs] Document that Worker are never destroyed (even if pthreads end) Open

docs good first bug help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

emscripten-core/emscripten#16761 · 6 comments · Opened Apr 20, 2022
Cannot Rendering and calling to Fetch API Sync in the main thread Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

emscripten-core/emscripten#16760 · 3 comments · Opened Apr 20, 2022
stdout not suitable for heavy data streaming Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

emscripten-core/emscripten#16755 · 8 comments · Opened Apr 19, 2022
fetch/idb_store.cpp and fetch/idb_delete.cpp are currently failing due to IDB database only existing on main thread Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

emscripten-core/emscripten#16746 · 1 comment · Opened Apr 18, 2022
FS_createPreloadedFile not supported in MEMFS under node.js, but could easily be Open

good first bug help wanted

Difficulty 3/5 1-2 days Newbie friendliness 35/100

emscripten-core/emscripten#16742 · 3 comments · Opened Apr 16, 2022
To use dlopen, you need to use Emscripten's linking support, see https://github.com/kripken/emscripten/wiki/Linking Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

emscripten-core/emscripten#16741 · 1 comment · Opened Apr 16, 2022
MEMFS corrupts binary files when lazy loading in node.js Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16740 · Opened Apr 16, 2022
Implement Direct Sockets API Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

emscripten-core/emscripten#16737 · 5 comments · 3 reactions · Opened Apr 15, 2022
Unify two different runtime source map parsing methods Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

emscripten-core/emscripten#16731 · 2 comments · Opened Apr 14, 2022
Fetch API: --proxy-to-worker + -sUSE_PTHREADS cannot be used together Open

docs

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16721 · 5 comments · 1 reaction · Opened Apr 14, 2022
Question regarding dynamic library : SIDE and MAIN module Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

emscripten-core/emscripten#16719 · Opened Apr 14, 2022
Dynamic linking emscripten::val(..) fails in SIDE_MODULE Open

embind

Difficulty 4/5 3-5 days Newbie friendliness 30/100

emscripten-core/emscripten#16711 · 13 comments · Opened Apr 13, 2022
select will timeout even if timeout is set to NULL Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16704 · 2 comments · Opened Apr 12, 2022
"undefined symbol: jsSetOnAbort" error during linking but LLVM shows the symbol is defined. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16697 · 1 comment · Opened Apr 11, 2022
Feature request: MAIN_THREAD_EM_ASYNC_JS Open

good first bug help wanted

Difficulty 5/5 Over a week Newbie friendliness 35/100

emscripten-core/emscripten#16694 · 1 comment · Opened Apr 11, 2022
glBufferData and glBufferSubData failing in workers when they used to not Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

emscripten-core/emscripten#16688 · 5 comments · Opened Apr 9, 2022
Access translated GL shaders? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

emscripten-core/emscripten#16683 · 2 comments · Opened Apr 8, 2022
Pausing all threads Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

emscripten-core/emscripten#16676 · 1 comment · Opened Apr 8, 2022
WasmFS: `newselect` system call Open

wasmfs

Difficulty 5/5 Over a week Newbie friendliness 20/100

emscripten-core/emscripten#16671 · 2 comments · Opened Apr 7, 2022
Dynamic loading modules which come with JS glue code Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

emscripten-core/emscripten#16668 · 10 comments · Opened Apr 7, 2022
Support enabling native exception support at compile time and disabling it at link time Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

emscripten-core/emscripten#16665 · Opened Apr 7, 2022
HTML minification modifies content re: whitespace Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16656 · 5 comments · Opened Apr 3, 2022
Is there any way to describe C++ global variables or global functions in an idl file? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

emscripten-core/emscripten#16655 · Opened Apr 3, 2022
Pthreads do not work without EXIT_RUNTIME=1 as of 3.1.8 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16654 · 4 comments · Opened Apr 2, 2022
emar behavior isn't consistent across operating systems Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

emscripten-core/emscripten#16649 · Opened Apr 1, 2022
How to change the location of the .data file. Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

emscripten-core/emscripten#16643 · 1 comment · Opened Apr 1, 2022
Question about life cycle of emscripten::val returned from temporary vector Open

embind

Difficulty 3/5 1-2 days Newbie friendliness 25/100

emscripten-core/emscripten#16641 · 2 comments · Opened Mar 31, 2022
can OpenAL used in webworker? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

emscripten-core/emscripten#16639 · 1 comment · Opened Mar 31, 2022
libimobiledevice port request Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

emscripten-core/emscripten#16634 · 3 comments · Opened Mar 30, 2022
Static initializers of statically-linked libraries are not executed Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16628 · 4 comments · Opened Mar 29, 2022
Dynamic import does not work in all browsers Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

emscripten-core/emscripten#16625 · 3 comments · 1 reaction · Opened Mar 29, 2022
How can I link a .so file that is a shared library? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

emscripten-core/emscripten#16592 · 8 comments · 2 reactions · Opened Mar 25, 2022
Remove SHELL_FILE setting? Open

emscripten-core/emscripten#16588 · 7 comments · 1 assignee · Opened Mar 24, 2022
Dynamic linking problem Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

emscripten-core/emscripten#16581 · 3 comments · Opened Mar 24, 2022
Linking LibreOffice with WASM EH and SjLj fails since 3.1.6 Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

emscripten-core/emscripten#16572 · 38 comments · Opened Mar 23, 2022
Proxying queue C++ API test hangs on wasm2js Open

emscripten-core/emscripten#16569 · 1 assignee · Opened Mar 23, 2022
Websocket_to_posix_proxy method is not working for me Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

emscripten-core/emscripten#16558 · Opened Mar 22, 2022
Feature request: Load WASM things on-demand in JS glue Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

emscripten-core/emscripten#16557 · 3 comments · Opened Mar 22, 2022
How to correctly load test.js and test.wasm files in web.js files? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

emscripten-core/emscripten#16555 · 2 comments · Opened Mar 22, 2022
initial install fails due to invalid argument Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

emscripten-core/emscripten#16553 · 8 comments · Opened Mar 21, 2022
Extend source-map-based symbolizer used in msan/asan to all backtraces under node js Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

emscripten-core/emscripten#16552 · 5 comments · Opened Mar 21, 2022

emscripten-core/emscripten

Get new issues in your inbox