The Browser Company explains why it stopped developing Arc
https://www.theverge.com/news/674603
里面提到的文章在这里
https://browsercompany.substack.com/p/letter-to-arc-members-2025
"Only 5.52% of DAUs use more than one Space regularly."
不过我用五个而且用的很开心耶，
但是重点是我除了这个功能外其他功能也不会特别想用啊，
这可能就是他们很难继续开发新功能的点：现有的已经满足这个客群的需求了
有这句就够了，不用新功能，会动就好
In the meantime, please know this: we're not trying to shut Arc down.
We know you use it and rely on it.