They describe a leaderboard built from server members' shared gaming activity, while actual rollout remains unconfirmed.
When It Appears
“Ended” can appear on a server view that ranks shared gaming activity and shows a timed competition when Discord displays the status indicating that the current leaderboard competition has ended.
What It Means
When “Ended” is shown, the current step is presenting the status indicating that the current leaderboard competition has ended.
A user who saw “Ended” in Discord is likely searching to confirm that it means the status indicating that the current leaderboard competition has ended, where it appears, and which state it describes.