Issues with players can sometimes be caused by old graphic card drivers. Please ensure you have the latest graphics card drivers installed for your device.
Another possible solution can be to look in your OBS Settings for "Browser Source Hardware Acceleration" and make sure that is enabled.
In the "View" menu in OBS, under "Docks" is an option "Custom Browser Docks..." add a url and dock name as provided.
For more help, join the discord.
The widget setup screens allow you to change your channel name manually, but you can automatically update your widgets if you update your twitch channel name.