vercel-labs/ui

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• Agent snapshot lists a Button rendered as a link with no actions

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  Difficulty 2/5 1-3 hours Newbie friendliness 78/100

  vercel-labs/ui#540 · Opened Nov 14, 2026

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• Form: a controlled control with no defaultValue clears on reset in some components and returns to its mount value in others, so React 19 form actions wipe Select state

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

  vercel-labs/ui#539 · Opened Nov 14, 2026

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• Form: reset is ignored by a disabled Select, Combobox or Listbox, so the old value comes back when it's enabled

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  Difficulty 3/5 Half a day Newbie friendliness 72/100

  vercel-labs/ui#538 · Opened Nov 14, 2026

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• Date Input, Time Input, Number Input: digits entered through an IME never become the value

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

  vercel-labs/ui#537 · Opened Nov 14, 2026

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• Dialog: a nested dialog shown in the same commit as its parent (mount-open, <Activity>, Suspense) ends up beneath it, and one Escape closes both

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

  vercel-labs/ui#536 · Opened Nov 14, 2026

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• FieldError is not a live region, so an error that appears after mount is not announced

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

  vercel-labs/ui#534 · Opened Nov 14, 2026

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• Tabs without `defaultValue`: with the panels before the list, the server selects the first tab and renders no panel

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

  vercel-labs/ui#533 · Opened Nov 14, 2026

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• Tabs: the first selection after mount writes `--active-tab-*` before `data-activation-direction` leaves `none`, so the documented indicator CSS never animates it

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

  vercel-labs/ui#532 · Opened Nov 14, 2026

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• Slider: a number slider's `onValueChange` value is typed `number | (number[] & number)`

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  Difficulty 3/5 Half a day Newbie friendliness 62/100

  vercel-labs/ui#531 · Opened Nov 14, 2026

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• `presentation="sheet"`: until the sheet code has loaded, the content shows in place, in the page's flow

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

  vercel-labs/ui#530 · Opened Nov 14, 2026

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• Select on the server: `SelectContent` writes a signal, and a list open by default is not claimed at hydration (Solid)

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

  vercel-labs/ui#529 · Opened Nov 14, 2026

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• `Select` with `multiple` and object values infers `T` as `Item | Item[]`

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

  vercel-labs/ui#528 · Opened Nov 14, 2026

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• Select's listbox has no accessible name unless a `SelectLabel` names the trigger

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

  vercel-labs/ui#527 · Opened Nov 14, 2026

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• Scroll Area: separate hide delays after the pointer leaves and after scrolling stops

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

  vercel-labs/ui#526 · Opened Nov 14, 2026

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• Mounting a popup registers `--available-height` and `--available-width` as non-inheriting for the whole document

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

  vercel-labs/ui#525 · Opened Nov 14, 2026

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• Progress and Meter on the server: the root has no `aria-labelledby`, so the server HTML is unnamed

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  Difficulty 3/5 1-2 days Newbie friendliness 50/100

  vercel-labs/ui#524 · Opened Nov 14, 2026

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• A root with a pending controlled input rebuilds the component that renders it (Solid)

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

  vercel-labs/ui#523 · Opened Nov 14, 2026

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• Pagination: an explicit `disabled` for the whole pagination (feature request)

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

  vercel-labs/ui#522 · Opened Nov 14, 2026

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• NumberInput steps on a wheel event the app canceled

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

  vercel-labs/ui#521 · Opened Nov 14, 2026

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• Field on the server: the control's `aria-describedby` names ids no element has, so an error is not announced before hydration

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

  vercel-labs/ui#520 · Opened Nov 14, 2026

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• `FieldError` leaves at once: no `data-ending-style`, no `keepMounted`, so an error cannot animate out

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

  vercel-labs/ui#519 · Opened Nov 14, 2026

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• `keepMounted` does not let an animation library drive a popup's exit

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  Difficulty 4/5 3-5 days Newbie friendliness 22/100

  vercel-labs/ui#518 · Opened Nov 14, 2026

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• Collapsible open by default: the server HTML has the panel but no `aria-controls` on the trigger

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

  vercel-labs/ui#517 · Opened Nov 14, 2026

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• `checkPattern(root, "dialog")` requires `aria-modal="true"` on a dialog that only traps focus

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

  vercel-labs/ui#516 · Opened Nov 14, 2026

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• `checkPattern(root, "switch")` requires Space to toggle a switch with `aria-readonly="true"`

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

  vercel-labs/ui#515 · Opened Nov 14, 2026

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• `checkPattern('radio-group')` counts a `RadioGroup`'s hidden native radios as radios of the group

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

  vercel-labs/ui#514 · Opened Nov 14, 2026

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• `checkPattern('listbox')` asks a combobox's popup listbox for a Tab stop of its own

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  Difficulty 3/5 1-2 days Newbie friendliness 66/100

  vercel-labs/ui#513 · Opened Nov 14, 2026

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• `checkPattern('checkbox')` on a `CheckboxGroup` reports the group's own hidden form input as unnamed

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

  vercel-labs/ui#512 · Opened Nov 14, 2026

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• A freshly mounted `CheckboxIndicator` is styled once before `data-starting-style`, so an enter transition runs backwards first

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  Difficulty 4/5 3-5 days Newbie friendliness 40/100

  vercel-labs/ui#511 · Opened Nov 14, 2026

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• Sheet: sync() sets startTime on scroll-driven animations when relayout() settles during the opening frames (TypeError)

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

  vercel-labs/ui#509 · Opened Nov 14, 2026

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• Select: closed trigger keeps the first label it learned; a changed item label never shows

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

  vercel-labs/ui#508 · Opened Nov 14, 2026

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• Hover popovers pile up when another trigger is between trigger and popup

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

  vercel-labs/ui#507 · 1 comment · Opened Nov 14, 2026

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• Timeline: items are focusable but unnamed in server HTML, since aria-labelledby is written after the title binds

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

  vercel-labs/ui#506 · Opened Nov 14, 2026

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• FileInput: the documented duplicate check misses duplicates within one batch, and formatFileSize says "70 byte"

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  Difficulty 3/5 1-2 days Newbie friendliness 50/100

  vercel-labs/ui#505 · Opened Nov 14, 2026

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• DatePicker: controller.setValue() doesn't turn the calendar to the new date when value is controlled

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  Difficulty 2/5 1-3 hours Newbie friendliness 78/100

  vercel-labs/ui#504 · Opened Nov 14, 2026

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• Shortcuts: no way to run a shortcut on key auto-repeat (held j/k)

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

  vercel-labs/ui#503 · Opened Nov 14, 2026

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• NumberInput: an unsupported format unit throws a RangeError during render and unmounts the page

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

  vercel-labs/ui#502 · Opened Nov 14, 2026

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• agent: a stable, locale-independent identifier for components, separate from the accessible name

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

  vercel-labs/ui#496 · Opened Nov 14, 2026

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• Angular: what a sixth renderer needs, and why the contract can carry it

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  Difficulty 5/5 Over a week Newbie friendliness 8/100

  vercel-labs/ui#495 · 2 comments · Opened Nov 14, 2026

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• NumberInput: the control has no spinbutton role or aria-valuenow/min/max

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  Difficulty 2/5 1-3 hours Newbie friendliness 68/100

  vercel-labs/ui#494 · 2 comments · Opened Nov 14, 2026

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• Tooltip: an icon-only trigger has no accessible name in server-rendered HTML

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

  vercel-labs/ui#493 · Opened Nov 14, 2026

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• Testing kit: export settle, and document that tooltip names and menu focus land after the event

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  Difficulty 3/5 Half a day Newbie friendliness 52/100

  vercel-labs/ui#492 · Opened Nov 14, 2026

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• Strict mode throws on a window blur that isn't a FocusEvent while a popup is open

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  Difficulty 2/5 1-3 hours Newbie friendliness 70/100

  vercel-labs/ui#491 · Opened Nov 14, 2026

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• Dialog: initial focus on a filled-in input doesn't select its text (Radix FocusScope did)

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

  vercel-labs/ui#490 · Opened Nov 14, 2026

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• Core: a popup whose exit doesn't animate keeps its closed content alive until it opens again

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

  vercel-labs/ui#489 · 1 reaction · Opened Nov 13, 2026

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• Core: Primitive and WithFeatures metadata mismatch with exactOptionalPropertyTypes

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  Difficulty 3/5 Half a day Newbie friendliness 45/100

  vercel-labs/ui#488 · Opened Nov 13, 2026

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• Solid: remove the @solidjs/web patch and move to 2.0.0-rc.21 (branch ready, waits on solidjs/solid#4836)

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  Difficulty 4/5 3-5 days Newbie friendliness 15/100

  vercel-labs/ui#487 · Opened Nov 13, 2026

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• fix(docs): reconcile whether agent query opens components

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

  vercel-labs/ui#486 · Opened Nov 13, 2026

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• Sheet animation throws on Safari < 17.2: linear() easing passed to element.animate() without supportsLinear() check

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

  vercel-labs/ui#485 · Opened Nov 13, 2026

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• Docs: Data Attributes lists miss data-highlighted, data-side and data-align; CalendarDay offset; which popups keep the browser's popover styles

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  Difficulty 3/5 Half a day Newbie friendliness 55/100

  vercel-labs/ui#484 · Opened Nov 13, 2026

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