Issues

• Bug: opal-parser.rb not being included in runtime

  bug
  opal/opal#2790 · Filter by author mistergibson opened on Jul 7, 2026
  2

• Feature: publish @opal/runtime and @opal/compiler as Node packages

  feature
  opal/opal#2777 · Filter by author ggrossetie opened on Dec 29, 2025

• CDP support has been removed in Firefox 141

  low-priority
  opal/opal#2768 · Filter by author janbiedermann opened on Sep 12, 2025
  6

• [Documentation] A FAQ entry/example would be useful, showing how to install ruby add-on code (e. g. gems but also from elsewhere)

  opal/opal#2761 · Filter by author rubyFeedback opened on Aug 8, 2025

• Issues on Deno

  low-priority
  opal/opal#2748 · Filter by author janbiedermann opened on May 26, 2025

• [Documentation] Add a standalone example that shows how to generate HTML tags via opal + ruby

  opal/opal#2745 · Filter by author rubyFeedback opened on Mar 28, 2025
  1

• Bug: No exception or error reporting

  bug
  opal/opal#2726 · Filter by author svoboda-jan opened on Jan 19, 2025

• Code examples for opalrb.com

  opal/opal#2725 · Filter by author svoboda-jan opened on Jan 17, 2025
  1

• [Documentation] [Small UI improvement in regards to the docs] Add navigation link for the guide

  opal/opal#2712 · Filter by author rubyFeedback opened on Dec 13, 2024

• Issues on Bun

  low-priority
  opal/opal#2706 · Filter by author janbiedermann opened on Oct 21, 2024
  17

• Bug: Opal::Builder : When doing require_relative from require_tree, assets gets added twice

  bug
  opal/opal#2662 · Filter by author janbiedermann opened on Jun 15, 2024

• Feature: Allow use of CLI runners outside of CLI context

  feature
  opal/opal#2658 · Filter by author hmdne opened on May 6, 2024

• Feature: Interact with JS Object directly without having to manually wrap with Native

  feature
  opal/opal#2637 · Filter by author AndyObtiva opened on Feb 4, 2024
  1

• Rack, Roda, Sinatra and other framework compatibility (when running on Opal and Node or alternative)

  feature
  opal/opal#2636 · Filter by author janbiedermann opened on Feb 3, 2024

• Feature: puts & p can handle native JS objects not wrapped by Native for simple debugging/troubleshooting

  feature
  opal/opal#2630 · Filter by author AndyObtiva opened on Jan 14, 2024

• Feature: Date and DateTime classes from Ruby

  feature
  opal/opal#2628 · Filter by author AndyObtiva opened on Jan 2, 2024
  5

• Bug: Bad behaviour with combination of: StringScanner#scan, multiline regexp, multiple lines

  bug
  opal/opal#2616 · Filter by author hmdne opened on Nov 25, 2023
  2

• Bug: define_method -> block -> return -- unexpected return

  bug
  opal/opal#2608 · Filter by author hmdne opened on Nov 9, 2023
  2

• Feature: mirror Opal only classes into CRuby

  feature
  opal/opal#2604 · Filter by author elia opened on Oct 26, 2023 · v2.0

• Feature: CLI tool --no-headless option

  feature
  opal/opal#2517 · Filter by author hmdne opened on Jan 5, 2023

• Code duplication between stdlib/{nodejs,deno}/file.rb

  opal/opal#2493 · Filter by author hmdne opened on Dec 9, 2022
  1

• Reminder: update top level 'source-map' used by linter

  opal/opal#2476 · Filter by author janbiedermann opened on Nov 20, 2022

• Bug: binding.irb bugs

  bug
  opal/opal#2428 · Filter by author hmdne opened on Jul 21, 2022 · v2.0

• [Documentation request] Please provide a simple standalone .html example (via opal-generated code) to demonstrate how the user clicks on a button, and then a function is called in a ruby class

  opal/opal#2423 · Filter by author rubyFeedback opened on May 28, 2022
  2

• Compile JS.import to some form of ESM support

  opal/opal#2422 · Filter by author elia opened on May 4, 2022 · v2.0