microsoft/tabster

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Web Application Keyboard Navigation Tools

Stars: 165
Forks: 42
Open beginner issues: 0
Indexed issues: 47
Avg merge: 1d 11h
Merged PRs (30d): 9

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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47 open issues indexed

Version conflict in SharePoint with other instances of tabster Open

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

microsoft/tabster#557 · 5 comments · Opened May 29, 2026
mover doesn't handle focusable/tabbable elements within closed <details> Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

microsoft/tabster#553 · 1 comment · 1 reaction · Opened May 19, 2026
`ModalizerAPI.dispose` clears `_hiddenUpdateTimer` without flushing — leaks `aria-hidden` on previously hidden elements Open

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

microsoft/tabster#530 · Opened Apr 30, 2026
Modalizer: clicking back into a trap-focus popup after programmatic focus escape causes immediate blur Open

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

microsoft/tabster#501 · Opened Mar 30, 2026
Mover Home/End key does not work in grid navigation Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/tabster#474 · Opened Nov 13, 2025
Focus gets lost or stuck when moving between React apps Open

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

microsoft/tabster#470 · Opened Sep 12, 2025
Method to move focus to an element by deloser history UID Open

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

microsoft/tabster#469 · 1 comment · Opened Sep 12, 2025
[Feature request]: options to prevent focus on body when restore Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

microsoft/tabster#411 · Opened Aug 29, 2024
Tabster doesn't set FOCUS_VISIBLE_ATTR to element when navigating from content-editable area Open

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

microsoft/tabster#408 · Opened Aug 23, 2024
[Mover] Keyboard arrow navigation doesn't work for RTL grid layout Open

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

microsoft/tabster#385 · 2 comments · Opened Apr 12, 2024
Tabster should include a way to indicate that it was the cause of programmatic focus Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/tabster#384 · 6 comments · Opened Apr 9, 2024
Optimize bundle size Open

microsoft/tabster#383 · 2 comments · 1 assignee · Opened Apr 5, 2024
Tabster crashes in Firefox Open

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

microsoft/tabster#381 · 1 comment · Opened Apr 4, 2024
Code can not display in story book Open

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

microsoft/tabster#378 · 2 comments · Opened Apr 2, 2024
`getCurrentTabster` is not exported Open

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

microsoft/tabster#373 · Opened Mar 18, 2024
Tabster doesn't handle native audio and video elements Open

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

microsoft/tabster#370 · Opened Mar 8, 2024
Focusable does not handle the inert attribute Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

microsoft/tabster#369 · 1 reaction · Opened Mar 8, 2024
Support resetting memorizeCurrent for instances like new chat messages Open

microsoft/tabster#348 · 1 assignee · Opened Jan 10, 2024
Tabster ignores focusable elements possibly because they are in Shadow DOM Open

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

microsoft/tabster#341 · Opened Dec 21, 2023
Implement Shadow DOM support Open

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

microsoft/tabster#340 · 1 comment · 1 reaction · Opened Dec 15, 2023
Shadow DOM: implement a "getParent()" function to correctly walk up the DOM tree for elements in the shadow root Open

microsoft/tabster#339 · 1 assignee · Opened Dec 15, 2023
Shadow DOM: implement `TreeWalker` that can walk shadow roots Open

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

microsoft/tabster#338 · Opened Dec 15, 2023
Shadow DOM: implement `Node.contains()` function to support shadow roots and slots Open

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

microsoft/tabster#337 · Opened Dec 15, 2023
Shadow DOM: support `activeElement` in shadow roots Open

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

microsoft/tabster#336 · Opened Dec 15, 2023
Shadow DOM: Update MutationObserver to work with shadow roots Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/tabster#335 · Opened Dec 15, 2023
Best Practices for Testing Focus Behavior Open

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

microsoft/tabster#328 · 1 comment · Opened Nov 26, 2023
Add possibility to register custom callback when key events occur in tabster Open

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

microsoft/tabster#326 · 1 reaction · Opened Nov 15, 2023
Cannot enter whitespace with "tab" key into monaco editor since around tabster v4.7.3 Open

microsoft/tabster#316 · 5 comments · 4 reactions · 1 assignee · Opened Oct 31, 2023
Using Puppeteer's new headless mode causes tests to fail Open

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

microsoft/tabster#315 · Opened Oct 28, 2023
Mover ignores input from elements with `aria-expanded` Open

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

microsoft/tabster#312 · 1 comment · Opened Oct 11, 2023
Groupper: reset focus trap when focus leaves the group Open

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

microsoft/tabster#310 · Opened Sep 25, 2023
Mover: have symmetrical forwards/backwards tabbing behavior Open

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

microsoft/tabster#309 · Opened Sep 25, 2023
(feat) Restorer: investigate allowing child removal to trigger focus restoration in Safari & Firefox Open

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

microsoft/tabster#307 · 1 comment · Opened Sep 19, 2023
Allow Mover to trigger arrow navigation from within Groupper Open

enhancement

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

microsoft/tabster#299 · Opened Jul 27, 2023
getModalizer backward incompatibility issue Open

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

microsoft/tabster#290 · 7 comments · 1 reaction · Opened Jul 10, 2023
aria-hidden-focus rule is broken by TabsterDummyInput element Open

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

microsoft/tabster#288 · 2 comments · Opened Jul 3, 2023
Verifying components relying on tabster through unit tests Open

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

microsoft/tabster#280 · 1 comment · 1 reaction · Opened May 29, 2023
Performance tests Open

enhancement

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

microsoft/tabster#259 · Opened Mar 23, 2023
Rethink Context Open

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

microsoft/tabster#258 · Opened Mar 23, 2023
[Bug] Deloser throws error when a form has an input with name `id` Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

microsoft/tabster#227 · 2 comments · Opened Jan 26, 2023
Tab stops on the last arrow navigation group Open

bug

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

microsoft/tabster#220 · 9 comments · Opened Jan 19, 2023
Hybrid controlled/uncontrolled mode to reduce the amount of unnecessary dummy inputs in uncontrolled mode Open

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

microsoft/tabster#210 · Opened Dec 19, 2022
Arrow navigation breaking with aria-expanded Open

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

microsoft/tabster#206 · Opened Nov 23, 2022
Deloser: support rendered but not visible modals Open

bug Deloser

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

microsoft/tabster#188 · 1 reaction · Opened Sep 8, 2022
Mover `grid` should support table-like navigation Open

enhancement

microsoft/tabster#181 · 1 comment · 1 assignee · Opened Aug 16, 2022
`RadioGroup` tab behavior incorrect when using `useFocusableGroup` Open

bug

microsoft/tabster#144 · 2 comments · 1 assignee · Opened May 2, 2022
All find* methods should support custom accept conditions Open

enhancement

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

microsoft/tabster#39 · Opened Jun 7, 2021

microsoft/tabster

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