3.12.0

What's Changed

• ensure hostAction can never return null by @max-baz in #405
• Fill fields inside shadow roots by @raxod502 in #397
• Add support for aria-label username fields by @raxod502 in #399
• ensure addListener takes a synchronous callback by @max-baz in #406

Full Changelog: 3.11.0...3.12.0