Features

• Switch back to microticks for scheduling as the default (#3911, thanks @marvinhagemeister , @JoviDeCroock)

Bug Fixes

• Fix hydrating <textarea> with value prop (#3891, thanks @andrewiggins)
• Prevent memory leak when creating and destroying root nodes by clearing currentComponent (#3908, thanks @JoviDeCroock)
• Fix regression in 10.12.1 from #3889 which could lead to a state not updating after a context update was enqueued (#3906, thanks @JoviDeCroock)
• Fix tests assertions for IE11 (#3912, thanks @marvinhagemeister)

Types

• Add indeterminate property (#3837, thanks @rschristian)
• Add aria role attribute values (#3904, thanks @shoonia)
• Add missing SVG Elements to types (#3905, thanks @shoonia)
• Add Missing MemoExoticComponent type in preact/compat (#3898, thanks @rschristian)
• Add ARIA attribute types (#3910, thanks @andrewiggins)