UI Builder's "Inlined Styles" Variables uses not system-specific dropdown

Unity: UI Builder

Won't Fix

6.6.X

The inline styles variable dropdown is custom-designed because of the required categorization of the variables. While it looks a bit different than the OS-provided controls, but this is not something that the team will address.

How to reproduce:
1. Create a new Unity project
2. In the Project window, right-click -> Create -> UI Toolkit -> UI Builder -> Open the created Asset
3. Add the Visual Element into the UI Builder's Hierarchy and select it
4. In the UI Builder's Inspector, go to Inlined Styles -> Variables -> +
5. Observe the dropdown

Expected results: The dropdown uses a system-specific style which is standard across Editor
Actual results: The dropdown uses the old Editor style

Reproducible with: 6000.6.0a2
Can't test with: 6000.0.71f1, 6000.3.12f1, 6000.4.2f1, 6000.5.0b2 (No variables)

Reproducible on: macOS Tahoe 26 (M1)
Not reproducible on: No other environment tested

UI Builder's "Inlined Styles" Variables uses not system-specific dropdown

Unity: UI Builder

Won't Fix

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Have a workaround or additional info about this issue?

UI Builder's "Inlined Styles" Variables uses not system-specific dropdown

Unity: UI Builder

Statuses

Won't Fix

Resolution Notes

6.6.XWon't FixThe inline styles variable dropdown is custom-designed because of the required categorization of the variables. While it looks a bit different than the OS-provided controls, but this is not something that the team will address.

Description

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Have a workaround or additional info about this issue?