Hello, This is not really a bug, but rather a question about the design decision. When you are using a component, let’s say s-badge, properties are reflected in the underlying shadow dom. For instance, the tone attribute is added as a class: [image] The code is minified so it’s hard to see, but…

Some early component prototypes had this type of selector, but we ultimately chose not to do it because ultimately we decided that attributes are for configuration and that It also makes sense that validation applies when getting/setting properties, but never when getting/setting attributes. So …

Using class vs host

Polaris

bakura10 July 3, 2025, 12:54am 6

Hi @Anthony_Frehner ,

Those are great points and seem all valid to me, thanks for clarifying!

1 Like

Considering using Tailwind?

Topic		Replies	Views
Considering using Tailwind? Polaris	0	74	July 15, 2025
How does it interact with Polaris React? Polaris	10	650	December 5, 2025
Polaris Link Web Component and slot attribute inside Page Polaris	3	87	February 3, 2026
Why remove polaris react components from app template? Polaris	2	132	October 14, 2025
Polaris React styles not applied in Microsoft Clarity session recordings (Remix embedded app) Polaris	4	62	February 5, 2026

Using class vs host

Related topics