Folders and nested subfolders
I want to be able to use folders and sub-folders. I use strongbox on iOS which is based on keepass. It allows for as many folders and sub-folders that you want. I use folders to keep my stuff organized. I don't like having all my passwords and whatever in one big long list. I also using keepass as a bookmark manager. I really like the idea of your "vaults", but again I have over like 3000 bookmarks and folders are really needed. Also attachments with built in viewer is also important. I like to convert a lot of websites to PDF and store them as attachments, so I can view them later. Keepass is the only one that can view said items, everyone else you have to download said item to view the attachment.

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jsdio commented
I fully support the idea of folders
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jsdio commented
One of the reasons I don't migrate from KeepassXC is because it has a tree folder structure. This is handy when there are hundreds of passwords. the current implementation with vaults does not allow convenient management of a large number of passwords
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Christian Wood commented
I used to use LastPass and I loved tha you were able to make custom folders / group your passwords how you wanted too. Ie a Gaming folder with all your gaming websites passwords.