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Polypane 30.1 is here! Yep, already. We landed a few features that were so cool we just couldn't wait. This one's not as massive as Polypane 30, so find the highlights below! polypane.app/blog/polypan...

polypane.appPolypane 30.1: Selector specificity insights, server HTML validation, and more | PolypanePolypane 30.1 adds selector specificity highlighting to the elements panel, a new server-sent HTML view in the sources panel, passkey support in Linux and a…

28/8/26, 11:42 am4 reposts10 likes

Polypane. Browser for web devs

@polypane.app

28 Aug

Our elements panel got an exciting addition. Hover over the specificity of a selector to see each part of it highlighted, so you know exactly what's responsible. Intelligent enough to drill down into nested `:is()` selectors, intelligent enough to drill up into nested selectors.

Mike Aparicio

@peruvianidol.com

28 Aug

Oooh this will be useful in CSS audits to demonstrate how bad their specificity is. 😂

Polypane. Browser for web devs

@polypane.app

28 Aug

Our source panel can now toggle between the rendered and the server-sent HTML! Both are automatically formatted, both are validated. If you're not sure if an HTML issue starts on the server or in your JS, that's now super easy to find.

Polypane. Browser for web devs

@polypane.app

28 Aug

Passkey support on Linux! Polypane now supports passkeys across all three operating systems.

Polypane. Browser for web devs

@polypane.app

28 Aug

Updated placeholdifier overlay We switched out the blocking of text for replacing it with scribbles, to make it even easier to focus on the design above the content. This, and dozens of other improvements and fixes are now available in Polypane 30.1!