These are likely harmless for the most part, but if you had a project with warnings as errors this would be quite bad.. There’s 98 warnings of deprecated unity api’s in the fmod folder all to do with TreeViewItem, TreeView and TreeViewState along the lines of …
Assets\Plugins\FMOD\src\Editor\FileReorganizer.cs(453,47): warning CS0618: 'TreeViewItem' is obsolete: 'TreeViewItem is now deprecated. You can likely now use TreeViewItem<int> instead and not think more about it. But if you were using that identifier to store InstanceID data, you should instead opt to upgrade your TreeViews to use TreeViewItem<InstanceID> to get the proper typing.'
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