Your system information

• Steam client version (build number or date): 1686779606
• Distribution (e.g. Ubuntu): Linux Mint 19 Xfce
• Opted into Steam client beta?: The problem is also present in the beta client 1686880776
• Have you checked for system updates?: Yes. All updates are installed.

Please describe your issue in as much detail as possible:

Commands in the Console are not executed. All other subsystems work as they should. See YouTube video: https://youtu.be/mn1-_Z3yehM

Steps for reproducing this issue:

1. Launch Steam with -console command.
2. Go to the Console section.
3. Try to execute the command "open 'link'" or "clear_console".