Issues

• Fatal error in the garbage collector when a task is suspended (mark_stacks walks reused argument stack)

  bug
  pyodide/pyodide#6464 · Filter by author ThailerL opened on Sep 16, 2026
  1

• Test JSPI in firefox

  pyodide/pyodide#6444 · Filter by author ryanking13 opened on Aug 27, 2026

• Memory snapshots?

  pyodide/pyodide#6418 · Filter by author jeremyworger opened on Aug 9, 2026
  11

• readAsync not working with Pyodide's patched CPython

  bug
  pyodide/pyodide#6416 · Filter by author miyukoc opened on Aug 5, 2026
  2

• loadDynlib() always uses RTLD_LOCAL, breaking dlopen() of extensions that need a package's own exported symbols (e.g. DuckDB)

  pyodide/pyodide#6413 · Filter by author maxdemarzi opened on Aug 4, 2026
  6

• Status of synchronous WASM compilation limitation in main thread (2026/07)

  pyodide/pyodide#6390 · Filter by author ryanking13 opened on Jul 28, 2026 · 315.0.0
  5

• PSA: debug xbuildenvs published for Pyodide 314.0.x releases were re-uploaded on 26/07/2026

  pyodide/pyodide#6379 · Filter by author agriyakhetarpal opened on Jul 25, 2026

• Eager discovery, lazy loading of entry_points?

  enhancement
  pyodide/pyodide#6302 · Filter by author bollwyvl opened on Jun 17, 2026
  14

• No usable Python->JS proxying of Python enums

  enhancement
  pyodide/pyodide#6299 · Filter by author xmirya opened on Jun 16, 2026

• Generic review from Claude Fable

  pyodide/pyodide#6288 · Filter by author henryiii opened on Jun 12, 2026
  4

• Plan: prototype threading (Fable)

  pyodide/pyodide#6284 · Filter by author henryiii opened on Jun 11, 2026
  2

• JS FFI optimizations

  pyodide/pyodide#6278 · Filter by author henryiii opened on Jun 11, 2026
  4

• Docs review:

  pyodide/pyodide#6276 · Filter by author henryiii opened on Jun 11, 2026

• Untrusted impersonation of the project at pyodide.com

  pyodide/pyodide#6256 · Filter by author zerobitflux opened on May 23, 2026
  6

• Snapshot restore failure

  bug
  pyodide/pyodide#6254 · Filter by author ryanking13 opened on May 22, 2026
  1

• Enable modern wasm exception and make it by default

  pyodide/pyodide#6235 · Filter by author ryanking13 opened on May 13, 2026

• Tkinter Support

  enhancement
  pyodide/pyodide#6215 · Filter by author DevScholar opened on Apr 29, 2026
  5

• Clarify packages-in-pyodide page: release lockfile vs recipe updates

  pyodide/pyodide#6172 · Filter by author anxkhn opened on Apr 4, 2026

• WASMFS support

  enhancement
  pyodide/pyodide#6141 · Filter by author hellozyemlya opened on Mar 17, 2026
  10

• mountNativeFS fails on Android when mounting a non-empty folder, starting from Pyodide v0.27.3

  bug
  pyodide/pyodide#6132 · Filter by author keks2293 opened on Mar 12, 2026
  1

• Consider setting -sFAKE_DYLIBS=0

  enhancement
  pyodide/pyodide#6114 · Filter by author hoodmane opened on Feb 24, 2026
  2

• STATUS_ACCESS_VIOLATION crash on Chrome/ Edge caused by JSPI + runPythonAsync

  bug
  pyodide/pyodide#6106 · Filter by author MarcSkovMadsen opened on Feb 15, 2026
  1

• Enable and benchmark Tail-Call Interpreter Optimization in Python 3.14

  pyodide/pyodide#6102 · Filter by author ryanking13 opened on Feb 12, 2026
  3

• Interrupting execution: doesn't work in requests or time.sleep()

  bug
  pyodide/pyodide#6082 · Filter by author xmirya opened on Jan 24, 2026
  1

• Pyodide crashes when attempting to write a file >= 2 GiB in Chrome

  bug
  pyodide/pyodide#6068 · Filter by author machineonamission opened on Jan 20, 2026
  7