Blizzard has issued patch 3.3.5a, which addresses an out of memory error and other issues that came with patch 3.3.5.
WoW 3.3.5 Addons - Felbite
Old Version] Mental Omega 3.3.5 Patch file - Mentalmeisters - ModDB
Overview - WoWEquip - Addons - Projects - WowAce
ChatBar : Chat Mods : World of Warcraft AddOns
WOTLK 3.3.5 Client Download - Wrath of the Lich King Clien
Ludwig : Data Mods : World of Warcraft AddOns
Buildings Patch file - Warcraft rebirth mod for Warcraft III: Frozen Throne - ModDB
Bejeweled : Discontinued and Outdated Mods : World of Warcraft AddOns
I updated the Atlas world map addon for WOTLK Classic, link and instructions in comments! : r/classicwow
MayronUI : Graphical Compilations : World of Warcraft AddOns
How private servers work (technically) and why IMHO they are still so bugged in 2021 : r/wowservers
WoW 3.3.5 Addons - Felbite