Below is a mostly complete list of fixes and polish implemented between 1.1 beta 2 and 1.1 RC 1. Please consult the bug tracker for more details after 1.1 final is shipped.
Fixes, Polish & Enhancements
Archives – allow custom queries on archive pages
Tabs – polish to 1.1 control enhancements
Section – fix Play On Mobile option for video backgrounds
Section – remove iframe border on video backgrounds
Section – fix Shape Divider set to bottom position flips vertically when setting the width on breakpoints
Forms – polish to stepper and 1.1 enhancements
New Elements – correct text alignment
Posts List / Post Loop Builder – better default behavior for card height
Scroll Progress – polish
Table Of Contents – polish
Mini Cart – prevent page scrolling on mobile devices when mini cart is open