Platform 20 Brings Significant UI Changes to Dynamics 365 Finance and Operations
Workspaces
Workspaces on the Default Dashboard are set apart from the background, making it more obvious they are buttons.
Old Button
New Button
Font Changes
Header fonts are bolder and use a heavier font than before.
Old Fonts
New Fonts
Ribbon Bar Color
Ribbon bar is now a more neutral color to blend better indicate the buttons are related to the form below.
Old Coloring
New Coloring
Fact Boxes
Opening the Fact Boxes went from an impossible to discover button to a "Related information" slide-out.

New Slide-out
Filter Drop-down
The grid filter drop-down and filter pane have been reorganized and enhanced.
Old Drop-down
New Drop-down and Filter pane
Filter Slide-out Blends into Form
The filter slide out has new fonts, coloring that better blends into the form, and more obvious link indicators.
Old Filter Slide-out
New Filter Slide-out
Edit Icon When Form in Read-only Mode
There's now an edit icon on each field when a form is in read-only mode. This makes it more obvious for users to switch the form into edit mode.
Subtle Field Outlines in Read-only Mode
Field boxes in detail forms are more subtle when in Read-only mode. Edit mode is similar to the prior design.
About the Author
Joel Leichty
Joel Leichty has simplified Dynamics 365 since 2002 (Axapta 2.5) and became a Microsoft MVP in 2013. He is the Director of Products and BI at SAGlobal, managing Products and Business Intelligence for the Professional Services industry.