Your system information

• Steam client version (build number or date): last
• Distribution (e.g. Ubuntu): debian sid
• Opted into Steam client beta?: Yes
• Have you checked for system updates?: Yes

Please describe your issue in as much detail as possible:

Describe what you expected should happen and what did happen. Please link any large code pastes as a Github Gist

after update with new chat on linux I does'n have "about server" button in sub-menu, when I press right mouse button on some friend
on windows I have this button (steam beta too)