@base-ui/react

Base UI is a library of headless ('unstyled') React components and low-level hooks. You gain complete control over your app's CSS and accessibility features.

Latest 1.8.012 published versionsmui/base-ui

All versions Compare with 1.4.1

Release notes available: 1
Commit history only: 0
History missing: 0

Last checked 30 Sept 2026, 11:58 UTC

Checking sources…

1.5.0

Breaking signals19 May 2026GitHub Release

Potential breaking changes

The changelog explicitly labels a breaking change.
Breaking change: Rename sanitizeValue() to normalizeValue() and allow composing with validation (#4717) by @atomiks

General changes

Improve mount performance with interaction splitting, including closed popup mount performance by up to 50% and unmounting performance by up to 85% (#4661) by @atomiks
Use local document for virtual arrow (#4662) by @lyzno1
Fix macOS Safari and Firefox minimizing fullscreen when closing popups with Esc (#4695) by @arturbien
Drop unnecessary memoization (#4693) by @flaviendelangle
Do not use Math.random() in useStableCallback() (#4732) by @michaldudak
Fix return focus when reference disconnects (#4655) by @atomiks
Don't steal initial focus if focus already moved inside a popup (#4775) by @stefee

Alert Dialog

Fix handle defaults (#4834) by @atomiks

Autocomplete

All versions Compare with 1.4.1

Release notes available: 1
Commit history only: 0
History missing: 0

Last checked 30 Sept 2026, 11:58 UTC

Checking sources…

1.5.0

Breaking signals19 May 2026GitHub Release

Potential breaking changes

The changelog explicitly labels a breaking change.
Breaking change: Rename sanitizeValue() to normalizeValue() and allow composing with validation (#4717) by @atomiks

General changes

Improve mount performance with interaction splitting, including closed popup mount performance by up to 50% and unmounting performance by up to 85% (#4661) by @atomiks
Use local document for virtual arrow (#4662) by @lyzno1
Fix macOS Safari and Firefox minimizing fullscreen when closing popups with Esc (#4695) by @arturbien
Drop unnecessary memoization (#4693) by @flaviendelangle
Do not use Math.random() in useStableCallback() (#4732) by @michaldudak
Fix return focus when reference disconnects (#4655) by @atomiks
Don't steal initial focus if focus already moved inside a popup (#4775) by @stefee

Alert Dialog

Fix handle defaults (#4834) by @atomiks

Autocomplete

Fix native FormData for popup inputs (#4725) by @lunaxislu

Checkbox

Submit the associated form when pressing Enter (#4713) by @michaldudak

Combobox

Expose clear visibility state (#4664) by @atomiks
Fix popup input form submit (#4687) by @atomiks
Preserve closeQuery when closing multiple input-inside-popup combobox (#4715) by @mj12albert
Fix RTL component behavior (#4840) by @atomiks
Ignore hidden-input changes while readonly or disabled (#4810) by @lunaxislu

Dialog

Consider the controlled open prop for open state detection (#4712) by @michaldudak

Drawer

Forward style prop in <Drawer.Viewport> (#4841) by @atomiks

Field

Avoid flushSync during validation (#4685) by @atomiks

Form

Avoid flushSync during validation (#4685) by @atomiks

Number Field

Allow Persian digits in keyboard input (#4719) by @lunaxislu
Sync pasted input during step interactions (#4824) by @lunaxislu

OTP Field

Breaking change: Rename sanitizeValue() to normalizeValue() and allow composing with validation (#4717) by @atomiks
Avoid flushSync during validation (#4685) by @atomiks
Support Ctrl and Cmd shortcuts (#4606) by @atomiks
Fire onValueComplete() for full paste (#4690) by @atomiks
Fix vertical arrow slot navigation (#4844) by @atomiks
Ignore hidden input changes while readonly or disabled (#4806) by @lunaxislu
Prevent locked hidden autofill validation (#4827) by @lunaxislu
Fix RTL arrow navigation (#4847) by @atomiks

Popover

Fix RTL component behavior (#4840) by @atomiks
Preserve active trigger on close press (#4741) by @mj12albert
Consider the controlled open prop for open state detection (#4712) by @michaldudak

Preview Card

Consider the controlled open prop for open state detection (#4712) by @michaldudak
Integrate inline positioning (#2074) by @atomiks

Scroll Area

Fix RTL component behavior (#4840) by @atomiks

Select

Clear stale item text ref (#4683) by @atomiks
Add data-popup-side to trigger (#4671) by @mj12albert
Allow mouse selection without highlight (#4699) by @atomiks
Ignore hidden-input changes while readonly or disabled (#4810) by @lunaxislu
Fix nested Select requiring extra outside clicks to dismiss parent (#4820) by @mattrothenberg

Tabs

Fire onValueChange() for automatic tab selection (#4704) by @michaldudak

Toast

Re-use getElementTransform() and remove local implementation (#4749) by @sai6855
Fix stuck drag state on release (#4742) by @aeterno-caspian
Remove memoized selector (#4751) by @atomiks

Tooltip

Consider the controlled open prop for open state detection (#4712) by @michaldudak
Fix flickering when nesting tooltip inside another tooltip's trigger (#4501) by @michaldudak

All contributors of this release in alphabetical order: @aeterno-caspian, @arturbien, @atomiks, @flaviendelangle, @Janpot, @lunaxislu, @lyzno1, @mattrothenberg, @michaldudak, @mj12albert, @nami8824, @sai6855, @stefee, @twillhorn

@base-ui/react

1.5.0

Potential breaking changes

General changes

Alert Dialog

Autocomplete

1.5.0

Potential breaking changes

General changes

Alert Dialog

Autocomplete

Checkbox

Combobox

Dialog

Drawer

Field

Form

Menu

Navigation Menu

Number Field

OTP Field

Popover

Preview Card

Scroll Area

Select

Tabs

Toast

Tooltip

1.5.0#

Potential breaking changes

General changes

Alert Dialog

Autocomplete

1.5.0#

Potential breaking changes

General changes

Alert Dialog

Autocomplete

Checkbox

Combobox

Dialog

Drawer

Field

Form

Menu

Navigation Menu

Number Field

OTP Field

Popover

Preview Card

Scroll Area

Select

Tabs

Toast

Tooltip

1.5.0

1.5.0