Previously it was possible to change the following CSS properties by targeting the rux-checkbox-group element instead of using the available CSS Shadow Parts:
color, font-family, font-size, font-weight, line-height, letter-spacing.
These styles have now been properly moved to the shadow dom and require the use of CSS Shadow Parts.
Resolution:
Search your application's CSS for anything that may be targeting rux-checkbox-group directly and replace with the appropriate CSS Shadow Part.
v6
rux-checkbox-group {
color: red;
font-family: Arial;
font-size: 2rem;
font-weight: 800;
line-height: 1;
letter-spacing: 0.3em;
}
v7
rux-checkbox-group::part(container) {
color: red;
font-family: Arial;
font-size: 2rem;
font-weight: 800;
line-height: 1;
letter-spacing: 0.3em;
}