Cent Browser 2.7.4.52(for Windows) Released

[Admini]

Can't receive push-notifications from https://www.messenger.com
Could you try and confirm?

For Reproduce:

1) Download & run to Cent Portable (completely new folder).
2) Sign-in with your Facebook account in https://www.messenger.com, not Facebook.com
3) Click to the gear icon in the upper left.
4) Click Settings > Notifications > "Turn on desktop notifications".
5) Ask your friend to write something to you after 10-30 seconds.
6) Quit and again run to Cent Browser.
7) Don't go to messenger.com, wait.

Result: Cent can't recieve the new message written as push-notification

This problem not happened in Facebook.com.
If you're already logged in to Facebook.com, Cent can be recieved the push-notifications.

Have you tried it with Chrome 59/60?