Discord Canary is an all-in-one voice and text chat for gamers that's free (beer), secure, and works on both your desktop and phone. The canary build is the Discord Inc. alpha test build.
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if you have issues:

"You may need to delete discord's config directory ~/.config/discordcanary
If you are using betterdiscord you may also need to reinstall that
Try this if discord is stuck on the updating screen or if nothing displays but a gray box
If you believe there is a problem with this build please report it to me
If you believe there is a problem with Discord please report it to:
https://discord.gg/discord-testers or https://discord.gg/discord-linux."