Servo 0.3.0 contains all of the changes we landed in May, which came out to 391 commits (March: 534).
For security fixes, see § Security.

We’ve shipped several new web platform features:

‘font-kerning: none’ (@simonwuelker, #44634)
‘font-variant-east-asian’ (@simonwuelker, #44989)
‘font-variant-ligatures’ (@simonwuelker,...