10.12.0

Features

• Use microtick outside of events (#3879, thanks @JoviDeCroock)
• Re-sort rerender queue if modified while we are processing rerenders (#3871, thanks @andrewiggins)
• Preserve event handler return values (#3812, thanks @developit)

Bug Fixes

• Fix: avoid bailing in strict equality (#3884, thanks @JoviDeCroock)
• When unmounting, continue with the last DOM element's nextSibling (#3878, thanks @andrewiggins)
• Fix parameters or JSX dev runtime (#3880, thanks @wooorm)
• Improve Fragment unmounting while correctly swapping nested fragments (#3875, thanks @andrewiggins)
• Clear css properties when passed undefined (#3862, thanks @andrewiggins)
• Debug: limit "object as children" error to elements (#3801, thanks @developit)
• Invoke setState callbacks setup in componentWillMount (#3806, thanks @andrewiggins)

Typings

• add exactOptionalPropertyTypes support to html attributes (#3868, thanks @deadem)
• Changes EventHandler<...> to have a this of type void. (#3867, thanks @MicahZoltu)
• Narrows type of parent in render functions. (#3863, thanks @MicahZoltu)

Maintenance

• Improve suspense test spies (#3856, thanks @andrewiggins)
• docs: Fix a few typos (#3844, thanks @timgates42)
• docs: Removes recommendation for preact-cli (#3816, thanks @rschristian)