WowAce

Just updated to lastest 4.2.9 and SUF won't load anymore. I had to roll back to 4.2.3

Error message with 4.2.9

Date: 2020-03-19 22:17:35
ID: 1
Error occured in: Global
Count: 1
Message: ...nterface\AddOns\ShadowedUnitFrames\modules\units.lua line 1508:
Attempt to register unknown event "ARENA_PREP_OPPONENT_SPECIALIZATIONS"
Debug:
[C]: RegisterEvent()
...nterface\AddOns\ShadowedUnitFrames\modules\units.lua:1508: in main chunk
Locals:
(*temporary) = <unnamed> {
0 = <userdata>
}
(*temporary) = "ARENA_PREP_OPPONENT_SPECIALIZATIONS"

AddOns:
Swatter, v8.2.6511 (SwimmingSeadragon)
AtlasLootClassic, vv1.4.7
AtlasLootClassicData, vv1.4.7
AtlasLootClassicDungeonsAndRaids, vv1.4.7
AtlasLootClassicMaps, vv1.0.0
AucAdvanced, v8.2.6471 (SwimmingSeadragon)
AucFilterBasic, v8.2.6497 (SwimmingSeadragon)
AucStatHistogram, v8.2.6499 (SwimmingSeadragon)
AucStatiLevel, v8.2.6503 (SwimmingSeadragon)
AucStatPurchased, v8.2.6500 (SwimmingSeadragon)
AucStatSimple, v8.2.6501 (SwimmingSeadragon)
AucStatStdDev, v8.2.6502 (SwimmingSeadragon)
AucUtilFixAH, v8.2.6504 (SwimmingSeadragon)
BagBrother, v
Bagnon, v8.3.5
Bartender4, v4.9.0
BeanCounter, v8.2.6505 (SwimmingSeadragon)
DBMCore, v1.13.41
DBMDefaultSkin, v
DBMStatusBarTimers, v
Details, v
DetailsStreamer, v
DetailsTinyThreat, v
Enchantrix, v8.2.6506 (SwimmingSeadragon)
EnchantrixBarker, v8.2.6507 (SwimmingSeadragon)
ExtendedCharacterStats, v2.2.1
FADEWorldTimers, v1.0
FishingBuddy, v0.7.3 Beta 4
GatherMate2, v1.45.5
honorspy, v1.7.3
ItemRack, v
LeatrixMaps, v1.13.54
MonolithDKP, v1.6.2
OmniCC, v8.3.5
Prat30, v3.7.50
Prat30Libraries, v
Quartz, v3.5-classic-5
Questie, v5.10.0 0 fd3ff918
Scrap, v8.3.2
ShadowedUnitFrames, vv4.2.3-Classic-1-ga64713d
SlideBar, v8.2.6509 (SwimmingSeadragon)
Stubby, v8.2.6510 (SwimmingSeadragon)
BlizRuntimeLib_enUS v1.13.4.11304 <none>
(ck=551)

The twitch app is updating the classic version of this addon with the LIVE version, therefore it will not work in classic. The author needs to fix it.