Here are the release notes:

Unicode

  • Thousands of new characters: Punctuation, Symbols, Greek, Hebrew, Math, more Latin and Cyrillic, etc.
  • Supported ranges are U+0000..U+0600, U+2000..U+2200, and U+25xx.
  • Classic fonts fall back to Monaco, for now.

Sizing

  • Window sizing is more consistent when resuming the app, making new documents, and changing themes.
  • Font zooming is smoother, sharper, and more powerful.
  • Classic and modern fonts are sized more consistently.

Other

  • Immersive mouse cursor is now optional, and is off by default.
  • The window title shows the grid size.
  • Selection looks better over multiple foreground/background colors.
  • Toolbar with font controls.