March 2021 web platform update

Now widely available on the web platform

Widely available

• font-variation-settings: The font-variation-settings CSS property sets an "axis of variability" on a variable font, such as weight, optical size, or a custom axis defined by the typeface designer. When possible, use other CSS font properties, such as font-weight: bold. Also known as variable fonts. Learn more.

• Speech synthesis: The SpeechSynthesis API converts text to speech with artificial voices. Learn more.