Automatically pick proper bounty buff during start of the M+. Just choose stat for your specialization in Custom Options.
Additional options:
Text reminder to pick bounty buff.
Sound reminder to pick bounty buff - meows every 5s till buff is taken. (Disabled by default, requires text remainder to be enabled)
Print in chat frame information about taken bounty buff.
Pick Haste bounty buff for Mechagon: Junkyard. (Disabled by default)
Hold Shift button during opening the dialog to make manual choice of the buff.
This WA doesn't depend on names of the bounty buffs, so it can be used on any language client.
If you are looking for preconfigured version for all specializations you can check LeoZan's fork of this WA.
Blizzard changed the order of the buffs several times. So please ensure that you are running last version of the WA before posting information about taking wrong buff