hello,

microstutters only as firemage, frost and other classes/speccs working fine.

build: v8.1.0-23
level: 120
class: MAGE
spec: fire

talents: flame_on
incanters_flow
living_bomb
meteor
ring_of_frost
searing_touch
shimmer

traits: autoselfcauterizer=1
blaster_master=1
blightborne_infusion=1
cauterizing_blink=1
eldritch_warding=1
heed_my_call=3
relational_normalization_gizmo=1
wildfire=3

sets/legendaries/artifacts: none

gear: captains_signet_of_command=1
lightfeather_footpads=1
7th_legionnaires_handwraps=1
bloodbough_mantle=1
wand_of_zealous_purification=1
conch_of_dark_whispers=1
lord_admirals_signet=1
arathor_battle_tabard=1
darkwood_sentinels_drape=1
surging_synthetic_specs=1
balefire_branch=1
heart_of_azeroth=1
loa_betrayers_vestments=1
moonpriests_cuffs=1
rattling_jar_of_eyes=1
sleeveless_tshirt=1
ivus_tanglemoss_waistcord=1
chumcoated_leggings=1

I don't know what this means, precisely.

I dont know how to describe it (my english is awful :D). it feels "laggy", fps drops I think.

I believe this was addressed with other fixes, but if not, please resubmit with a complete ticket.