mdTooltip: tooltip is not hidden after md-button becomes disabled · Issue #2602 · angular/material · GitHub
Outer md-button-toggle within md-button-toggle-group do not have round corners when selected or disabled · Issue #6689 · angular/components · GitHub
ng-disable wont apply styling if ng-click is present on md-button in md-toolbar · Issue #5569 · angular/material · GitHub
ng-disable wont apply styling if ng-click is present on md-button in md-toolbar · Issue #5569 · angular/material · GitHub
![Button] - flat && swapTheming && disabled Buttons are not well colored. · Issue #683 · mlaursen/react-md · GitHub Button] - flat && swapTheming && disabled Buttons are not well colored. · Issue #683 · mlaursen/react-md · GitHub](https://user-images.githubusercontent.com/3920850/36178156-3c1dcfa2-10d5-11e8-9f56-bd450f0b9822.png)