This update has been tested against the latest 1.17 version and is compatible with it.
Fixes a bug with action channels working in switched channels.
Fixes hex codes not being removed on some versions of Minecraft 1.16 and changes some API regarding the "colorize" method.
Thanks to @Tanguygab, a new /character profile system exists which lets you have "multiple characters" by saving & loading several different character profiles stored for your account. Permissions & such are in the config of Descriptions.