在最新的 macOS 26 系统，已经引入了 Mac 状态栏显示 iPhone 「实时活动」卡片的功能，想必未来也是在为「Mac 上岛」铺路；而「液态玻璃」界面图标留白增加、控制中心滑块变大等调整，均呈现出更友好的触控尺度，也被认为是为触控做铺垫。
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Adjust the threshold to control how aggressively the tree merges regions:
We have a ‘scrolling wall of icons’ benchmark in our gtk4-demo app, which naturally is good place to test the performance impact of icon rendering changes. When switching it over to GtkSvg, it initially dropped from 60fps to around 40 on my laptop. We’ve since done some optimizations and regained most of the lost fps.