Preact 11.0.0-beta.0 released!

NewsBot · 19 August 2025 21:20

Preact 11.0.0-beta.0 has been released.

Breaking Changes

Drop IE11 support (#4549, thanks @JoviDeCroock)

Move defaultProps into preact/compat (#4657, thanks @JoviDeCroock)

Remove automatic px suffix (#4665, thanks @JoviDeCroock)

Remove contains with a simple parentNode check (#4666, thanks @JoviDeCroock)

Remove component.base (#4549, thanks @JoviDeCroock)

Remove SuspenseList (#4668, thanks @JoviDeCroock)

Remove static dom bail (#4670, thanks @JoviDeCroock)

Breaking changes to outputs & pkg.json (#4652, thanks @rschristian)

Drop support for TS versions < 5.1 (#4788, thanks @rschristian)

Remove all export maps in nested pkg.json files (#4784, thanks @rschristian)

Remove deprecated ‘ForwardFn’ type from compat (#4777, thanks @rschristian)

Features

Comment denoted hydration (#4636, thanks @JoviDeCroock)

Forward ref by default (#4658, thanks @JoviDeCroock)

Add captureOwnerStack (#4875, thanks @colinaaa)

Add context argument to compat/Children map api (#3855, thanks @ParSal123)

Export helper functions from preact/debug (#4830, thanks @colinaaa)

Export test-utils from compat (#4783, thanks @rawrmonstar)

Types

Require initial value in useRef (#4683, thanks @rschristian)

Types w/ module augmentation (#4884, thanks @rschristian)

Fix outdated public RefCallback type (#4801, thanks @developit)

Export IntrinsicHTMLElements interface (#4885, thanks @edoardocavazza)

Avoid breaking change for ARIA element types (#4882, thanks @rschristian)

Move most interfaces out of the JSX namespace (#4878, thanks @rschristian)

Make HTMLAttribute type declarations consistent (#4876, thanks @rschristian)

Restrict aria roles by element type (#4607, thanks @rschristian)

Add types for ‘/compat/server’ & ‘/compat/scheduler’ (#4835, thanks @rschristian)

Fixes

Ensure memoized components re-render after errors (#4880, thanks @JoviDeCroock)

Provide solution to long standing memleak (#4853, thanks @JoviDeCroock)

Ensu…

Link: Release 11.0.0-beta.0 · preactjs/preact · GitHub