关于此扩展

YouTube Design Preserver allows you to choose between the old, dark or normal YouTube design and preserve it permanently!

IMPORTANT!
Use the add-on's settings page or its own button to choose your design. All changes made on YouTube directly will not be preserved!

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2.4.0 的发布说明

fixed broken "old layout" by changing the User-Agent instead of the PREF cookie

用户：