• Improved block quote styling
• Improved block selection styling
• Changed mergeDistance style property to mergable
• Fixed crash when Option-Return in line with spaces
• Fixed editor.transaction API to return result of passed closure
• Fixed block selection to show selection for all rows, not just ends

Lots of work on styling internals that enables new rounded styles for block selection and blockquote rows. Also refined decoration animations to stay in better sync with text content.