{"version":"2.1.97","anchor":"duplicate-key-detection-in-virtual-message-list","canonical_anchor":"duplicate-key-detection-in-virtual-message-list","heading":"Duplicate Key Detection in Virtual Message List","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.97\/e\/duplicate-key-detection-in-virtual-message-list","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.97","markdown":"### Duplicate Key Detection in Virtual Message List\n\nA new diagnostic warning detects duplicate sibling keys in the virtual message list renderer, which could previously cause DOM node leaks via `mapRemainingChildren` overwrite.\n\n**Evidence**\n\nWarning message `\"VirtualMessageList: duplicate sibling keys\"` (search for `\"VirtualMessageList: duplicate sibling keys\"`)"}