Issues

• Regression in 1.37: external helper loading runs before core-load rejection handling

  bytecodealliance/jco#2280 · Filter by author gurkerl83 opened on Oct 19, 2026

• Initialization can leave started core-load promises without rejection handlers

  bugproject/js-component-bindgen
  bytecodealliance/jco#2278 · Filter by author gurkerl83 opened on Oct 19, 2026
  3

• Add jco-std NodeJS compat layer for Node24.x & P3

  blockedenhancementfeature/nodejs-compatproject/jco-stdupstream/componentize-jsupstream/starlingmonkeywasi-preview3
  bytecodealliance/jco#2130 · Filter by author vados-cosmonic opened on Sep 14, 2026

• Drop asm.js

  breaking-changesfeature-removalproject/jcoproject/jco-transpileproject/js-component-bindgen
  bytecodealliance/jco#1719 · Filter by author vados-cosmonic opened on Jun 30, 2026

• Performance

  bytecodealliance/jco#417 · Filter by author guybedford opened on Apr 10, 2024

• Are TypeScript definitions generated by transpile supposed to include comments from the WIT file?

  bytecodealliance/jco#397 · Filter by author blaine-arcjet opened on Mar 7, 2024
  6

• Optimizing JS binding output size

  enhancement
  bytecodealliance/jco#41 · Filter by author guybedford opened on Feb 22, 2023