v5.3.0

Changelog

Highlighted Changes

• fix(popover): fix enzyme matcher warning in tests (#640)
• fix(popover): fix onOpen/onClose callbacks (#637)
• chore: remove styletron-standard peer dependency (#635)
• fix(block): enumerate types for css properties (#630)
• docs: update rfc constant syntax, rename rfcs folder to 'proposals' (#631)

Other Changes

• feat(block): add CSS Grid properties (#636)
• docs(versioning): add versioning policy (#633)
• Fix typo in README.md (#627)
• docs(overrides): add link to the external article (#625)