Mutes most of the vocal screeches made by the new Dragonriding mounts. Disabling the addon will restore them back to normal.
Also mutes the following annoying sounds. (You can disable this 'mute other' feature at the top of the lua file or edit the list as you see fit)
"569773", -- "sound/spells/fizzle/fizzlefirea.ogg",
"569775", -- "sound/spells/fizzle/fizzlefrosta.ogg",
"569772", -- "sound/spells/fizzle/fizzleholya.ogg",
"569774", -- "sound/spells/fizzle/fizzlenaturea.ogg",
"569776", -- "sound/spells/fizzle/fizzleshadowa.ogg",
"567675", -- "sound/item/weapons/bow/bowpullback02.ogg",
"567676", -- "sound/item/weapons/bow/bowpullback03.ogg",
"567677", -- "sound/item/weapons/bow/bowpullback.ogg",
"567507", -- "sound/interface/ucharactersheetopen.ogg",
"567433", -- "sound/interface/ucharactersheetclose.ogg",
"567490", -- "sound/interface/uescapescreenopen.ogg",
"567464", -- "sound/interface/uescapescreenclose.ogg",