Blizzard announced that with the trilogy of expansions, including The War Within, Midnight, and The Last Titan, they would replace and block third-party addons that perform computational actions as combat helpers.
they would move slowly and carefully
However, the community response has been largely negative. Addons have been a part of World of Warcraft since its release in 2004, with popular ones including Titan Panel, Quartz, OmniCC, and damage meters.
Author's summary: Blizzard's changes to WoW addons spark negative community response.