6.0.0

What's Changed

• UCL-366 Introduce new Snackbar API and fix Snackbar Item behaviour by @pawel-napieracz in #647
• UCL-400 Clean up button states by @MichalGorskiOnegini in #650
• add save, reply and upload icons by @szmejk in #654

Breaking changes

• Using snackbar title as content is no longer supported

Full Changelog: 5.2.0...6.0.0