WordPress 5.3 Beta 1 发布了，改进记录包括：
- Group block and grouping interactions
- Columns block improvements (width support + patterns)
- Table block improvements (text alignment support, header/footer support, colors)
- Gallery block improvements (reordering inline, caption support)
- Separator block improvements (color support)
- Latest Posts block improvements (support excerpt, content)
- List block improvements (indent/outdent shortcuts, start value and reverse order support)
- Button block improvements (support target, border radius)
- Animations and micro interactions (moving blocks, dropdowns, and a number of small animations to improve the UX)
- Accessibility Navigation Mode which will allow you to navigate with the keyboard between blocks without going into their content.
- Block Style Variations API
其他的改进：
- Data Module API improvements (useSelect/useEffect)
- Inserter Help Panel
- Extensibility: DocumentSettingsPanel
- Snackbar notices
- Typewriter Experience
- Fix a number of Accessibility report issues