Adobe Muse CC 2015.2.1.21, released in , was a significant maintenance and feature update that solidified the software’s transition into a fully responsive web design tool.
Designers could finally set rectangles and video widgets (YouTube/Vimeo) to scale both horizontally and vertically, allowing for smoother layouts across different device breakpoints. Adobe Muse CC 2015.2.1.21
The 2015.2 series introduced tools designed to make visual web design more intuitive without requiring code: Adobe Muse CC 2015
After being temporarily removed in earlier responsive versions, scroll effects (like parallax) were reintroduced specifically for fixed-width breakpoints. Adobe Muse CC 2015.2.1.21