We are aware of an issue that caused some players who became saved to Gnomeregan between 7:00AM PST on Monday, Feb 19th and 7:00AM PST this morning (Tuesday Feb, 20th) to not properly have their raid lockout reset during today’s maintenance as expected.
We are currently investigating this issue and hope to have more information very soon. We greatly appreciate your patience and we apologize for the inconvenience.
Bugs happen sometimes. I can’t recall a time in the past where they’ve actually changed from one raid lockout style to another for an instance that’s out and released so yeah I’m not surprised they got an unexpected bug.