microsoft/monaco-editor

A browser based code editor

Stars: 46.8k
Forks: 4.1k
Open beginner issues: 0
Indexed issues: 775
Avg merge: 17h 58m
Merged PRs (30d): 1

Dominant language: JavaScript
License: MIT
Last GitHub push: Aug 27, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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775 open issues indexed

{Linked:Bug29617258} Screen reader is not announcing the complete information when focus lands on the expected color value text. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/monaco-editor#5473 · Opened Sep 7, 2026
[Bug] ".ini" syntax's indented comments are not highlighted Open

microsoft/monaco-editor#5464 · 1 assignee · Opened Sep 2, 2026
[Bug] 0.56.0 browser CSP violation Open

microsoft/monaco-editor#5462 · 1 comment · 1 assignee · Opened Aug 28, 2026
[Bug] Monaco "vs" theme for SQL language does not meet minimum color contrast issue threshold for .mtk4 and mtk18 Open

microsoft/monaco-editor#5461 · 1 comment · 1 assignee · Opened Aug 26, 2026
[Bug] Safari: `installWebKitWriteTextWorkaround` leaks an unhandled `Canceled: Canceled` rejection on every click/keydown Open

microsoft/monaco-editor#5458 · 1 assignee · Opened Aug 21, 2026
Bump bundled DOMPurify to 3.4.12+ (0.56.0 ships 3.4.8) Open

microsoft/monaco-editor#5454 · 2 comments · 7 reactions · 1 assignee · Opened Aug 15, 2026
[Bug] Typing over a right-to-left selection requires two keypresses on the textarea input path (Safari) Open

bug editor-input

microsoft/monaco-editor#5448 · 1 comment · 1 assignee · Opened Aug 14, 2026
Review wiki change: document Find matching keybindings Open

microsoft/monaco-editor#5433 · 1 comment · 1 assignee · Opened Aug 4, 2026
[Bug] Open

bug editor-indent-detection

microsoft/monaco-editor#5429 · 1 assignee · Opened Aug 2, 2026
[Bug] 0.56.0 The border radius theme variable is missing. Open

microsoft/monaco-editor#5408 · 1 assignee · Opened Jul 24, 2026
[Bug] 0.56.0 browser-esm-esbuild build error Open

bug

microsoft/monaco-editor#5405 · 4 comments · 1 reaction · 1 assignee · Opened Jul 22, 2026
[Bug] Unable to import "monaco-editor/min/vs/editor/editor.main.css" Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

microsoft/monaco-editor#5404 · 1 comment · 1 reaction · Opened Jul 22, 2026
[Bug] error using with vite 8.1.5 Open

microsoft/monaco-editor#5403 · 2 comments · 1 assignee · Opened Jul 21, 2026
[Bug] Markdown Syntax: Nested Html tags inside of Markdown that span multiple lines render incorrectly Open

~spam

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

microsoft/monaco-editor#5400 · Opened Jul 20, 2026
First keystroke typed over a backward selection is dropped (Safari/WebKit, textarea input path) Open

bug editor-input-IME

microsoft/monaco-editor#5390 · 1 comment · 1 assignee · Opened Jul 16, 2026
[Feature Request] Editor Canvas Padding Open

feature-request

microsoft/monaco-editor#5386 · 2 comments · 1 assignee · Opened Jul 15, 2026
[Bug] Context Menu "Paste" does nothing Open

microsoft/monaco-editor#5383 · 6 comments · 1 assignee · Opened Jul 1, 2026
[Bug] Cut Event from context menu has event type 'copy' Open

microsoft/monaco-editor#5382 · 1 comment · 1 assignee · Opened Jul 1, 2026
[Bug] After switching the model, the placeholder does not disappear Open

microsoft/monaco-editor#5380 · 1 assignee · Opened Jun 26, 2026
[Bug] Incorrect swift syntax highlighting for comments Open

microsoft/monaco-editor#5377 · 1 comment · 1 assignee · Opened Jun 24, 2026
[Bug] DiffEditor: word wrap stops working on the left side after switching from inline to side-by-side view Open

microsoft/monaco-editor#5353 · 1 assignee · Opened Jun 10, 2026
[Bug] Update dompurify to >= 3.4.9 Open

microsoft/monaco-editor#5352 · 11 comments · 8 reactions · 1 assignee · Opened Jun 9, 2026
[Bug] Imported `editor.api.js` doesn't expose the language namespaces anymore (moved in 0.55.0) Open

microsoft/monaco-editor#5346 · 7 comments · 3 reactions · 1 assignee · Opened Jun 1, 2026
[Bug] The language files of nls.messages in the npm package have two `.js` extensions: monaco-editor/min/vs/nls.messages.zh-cn.js.js Open

microsoft/monaco-editor#5345 · 2 reactions · 1 assignee · Opened Jun 1, 2026
[Bug] [LSP] `textDocument/codeAction` request omits diagnostic fields the server needs to produce quickfixes (`data`, `code`, `source`, …) Open

microsoft/monaco-editor#5342 · 2 comments · 4 assignees · Opened May 25, 2026
[Bug] [LSP] MonacoLspClient never disposes its language-feature registrations Open

microsoft/monaco-editor#5340 · 1 assignee · Opened May 25, 2026
[Bug] Accessibility Bug: Broken Focus Management After Closing Search Pop-up Modal Open

microsoft/monaco-editor#5328 · 2 comments · 1 assignee · Opened May 19, 2026
[Bug] Error instantiating monaco in the browser on some users' machines. Open

microsoft/monaco-editor#5321 · 1 assignee · Opened May 11, 2026
[Bug] Why versions of marked and dompurify are fixed? Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

microsoft/monaco-editor#5314 · 2 comments · 4 reactions · Opened May 7, 2026
Editor is not adopting system theme settings:A11y_Monacoeditor_Theme Open

microsoft/monaco-editor#5312 · 2 comments · 1 assignee · Opened Apr 30, 2026
[Bug] High renderer memory retention with `wrappingStrategy: "advanced"` on large text in Electron (memory does not drop after closing file) Open

microsoft/monaco-editor#5311 · 1 assignee · Opened Apr 29, 2026
[Feature Request] Support workspace configuration in MonacoLspClient Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/monaco-editor#5305 · Opened Apr 23, 2026
[Bug] Editing original model in inline diff viewer not possible even if it should be based on configuration options Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

microsoft/monaco-editor#5302 · 1 comment · Opened Apr 16, 2026
[Bug] find-widget hover flickering Open

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

microsoft/monaco-editor#5296 · Opened Apr 10, 2026
[Bug] Uncaught (in promise) Canceled: Canceled when navigating cross-file from peek widget Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

microsoft/monaco-editor#5294 · Opened Apr 9, 2026
[Bug] Support RTL layout in editor container without breaking rendering Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 52/100

microsoft/monaco-editor#5291 · Opened Apr 7, 2026
[Feature Request] Enable suggestion details by default Open

feature-request

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

microsoft/monaco-editor#5285 · Opened Apr 3, 2026
[Bug] Monaco editor on firefox ignores first input after highlighting word via keyboard Open

Difficulty 3/5 1-2 days Newbie friendliness 57/100

microsoft/monaco-editor#5281 · 1 comment · Opened Apr 1, 2026
[Bug] [Unhandled error] Error: Uncaught SyntaxError: Unexpected token '<' in vite8 development Open

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

microsoft/monaco-editor#5277 · Opened Mar 30, 2026
[Tutorial] How to use Monaco ESM Version directly in Browser Open

feature-request

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/monaco-editor#5275 · 2 comments · 1 reaction · Opened Mar 29, 2026
[Feature Request] What about Typescript 7 (ts-go) Open

feature-request

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

microsoft/monaco-editor#5264 · 1 comment · Opened Mar 23, 2026
[Bug] Webcomponent sample in playground broken Open

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

microsoft/monaco-editor#5261 · Opened Mar 18, 2026
[Bug] Tooltips do not work with webcomponents Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

microsoft/monaco-editor#5260 · 1 comment · Opened Mar 18, 2026
[Bug] Minmap background inherits its value from ui.line instead of common.bg Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/monaco-editor#5254 · Opened Mar 11, 2026
[Bug] FontFace API loads codicon font from hardcoded ESM source path at runtime, bypassing bundler asset processing Open

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

microsoft/monaco-editor#5252 · Opened Mar 9, 2026
[Bug] Monaco Codicon Font should be in an extra CSS for webcomponent setup Open

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

microsoft/monaco-editor#5251 · Opened Mar 8, 2026
[CVE-2026-0540] DOMPurify contains a Cross-site Scripting vulnerability Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

microsoft/monaco-editor#5248 · 8 comments · 57 reactions · Opened Mar 6, 2026
[Bug] unicode character ignore by editor Open

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

microsoft/monaco-editor#5242 · Opened Mar 4, 2026
[Bug] Links in hover tooltips show wrong link target on account of empty href attribute Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

microsoft/monaco-editor#5240 · 2 reactions · Opened Feb 26, 2026
[Bug] Java syntax highlighting does not handle unicode escape sequences Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/monaco-editor#5233 · Opened Feb 16, 2026

A short digest of beginner-friendly GitHub issues.