It is very difficult to reorder items in projects with many cards, because you can only drag & drop them. It would be much easier if I could scroll through the column, and move cards to the top or bottom to reorder (and then do another pass to order those top cards with drag & drop).
GitHub doesn't have such a function in the UI, but it's a feature of the API: https://developer.github.com/v3/projects/cards/#move-a-project-card
Example URL:
GitHub projects
Projects are too big of a feature and everyone wants to make a Jira out of it. None of the maintainers use Projects, this feature would be best part of ZenHub or alternatives.
Also this is possible via GitHub's keyboard shortcuts: https://help.github.com/en/github/getting-started-with-github/keyboard-shortcuts#project-boards
Keyboard shortcut | Description
-- | --
enter or space | Start moving the focused card
command โ or command j or control โ or control j | Move card to the bottom of the column
command โ or command k or control โ or control k | Move card to the top of the column
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Also this is possible via GitHub's keyboard shortcuts: https://help.github.com/en/github/getting-started-with-github/keyboard-shortcuts#project-boards
Keyboard shortcut | Description
-- | --
enter or space | Start moving the focused card
command โ or command j or control โ or control j | Move card to the bottom of the column
command โ or command k or control โ or control k | Move card to the top of the column