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·9 min read·The streamlineworks team
Inside the new Mercury UI: what changed, what broke, what to do
Freshworks' Mercury UI is shipping to more tenants. Here's what's actually different and what custom apps need to update.
freshdeskmercury
Mercury UI is Freshworks' newest agent interface, gradually rolling out across tenants. If you maintain a custom app, here's what changed under the hood and what you'll need to update.
What's new - A new sidebar panel API with first-class TypeScript types - Updated event lifecycle — the old `onload` hook still works but is deprecated - Better dark-mode primitives (finally)
What broke - Anything relying on Mint-specific DOM selectors. Use the new `fdk-panel` element instead. - Some legacy iframe sizing hacks no longer work.
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