Your system information

• Steam client version:1779840850
• SteamOS version: 3.8.5
• Opted into Steam client beta?: [Yes/No] no
• Opted into SteamOS beta?: [Yes/No] no
• Have you checked for updates in Settings > System?: [Yes/No]yes

Please describe your issue in as much detail as possible:

In chewing input method, tone buttons are not responsive, no further word selection

Steps for reproducing this issue:

1. Use chewing keyboard
   

2. For example typeㄨ first

3. try typeˇˋˊ·
   Video example