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Degraded performance in CP Assets view for folders with many subfolders #5809
The performance of the assets page in the CP when it is asked to open a folder with a lot of subfolders in it is resulting page crashes in Chrome, Firefox and Safari on a recent MacBook Pro. Estimate is about 15k sub folders in the Assets volume that can be seen in the screenshots below.
If the folder has never been opened in the particular browser of choice the page will load ok, but as soon as the attempt to expand the folder is made, this will result in the freeze. Subsequent page loads will then also freeze, as the browser appears to attempt to remember the user preference and have that folder opened, making the assets page essentially unusable
Steps to reproduce