beta version (5.1.1130.26)

[Admin]

а в старом центе всё открывается и без юзерагентов

---

I'm still looking for broken flags, here's a bug and one question
"open_in_tab": true 
in extension manifests does not open settings in the tab

https://i.imgur.com/Jvr0ZFV.png Is it possible to remove notifications about an unsupported flag?

"open_in_tab": true 
in extension manifests does not open settings in the tab
Can you confirm this issue?
If yes, you can send me the extension source files for testing.