特殊文字を含むリンクを貼り付けると、エスケープ文字が追加され、リンクが無効になります

[Moin]

Did you try here or on try.discourse.org?

There was a recent fix related to links after the report in Pasted URLs in Rich Text Editor improperly escape tilde character

FIX: url escaping on rich editor when autolink/linkify (#34164)