mini diff not showing overlay when changes is in first line

[DanWlker]

Contributing guidelines

• I have read CODE_OF_CONDUCT.md

Module(s)

mini.diff

Question

I've been trying out mini.diff's toggle_overlay, but the overaly does not show when the change is on the first line, is there an option that I forgot to set?

vim.g.mapleader = " "
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
if not vim.uv.fs_stat(lazypath) then
	local lazyrepo = "https://github.com/folke/lazy.nvim.git"
	local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
	if vim.v.shell_error ~= 0 then
		error("Error cloning lazy.nvim:\n" .. out)
	end
end
vim.opt.rtp:prepend(lazypath)

require("lazy").setup({
	{
		"echasnovski/mini.diff",
		event = "VimEnter",
		keys = {
			{
				"<leader>gd",
				function()
					require("mini.diff").toggle_overlay(0)
				end,
				desc = "[G]it [D]iff",
			},
		},
		opts = {
			view = {
				style = "sign",
				signs = {
					add = "▎",
					change = "▎",
					delete = "",
				},
			},
		},
	},
})

[echasnovski]

It does show overlay of the changes in the first line, they are just off the screen (as documented). Press <C-y> (or <C-u>, or <C-b>) to reveal the virtual line above the first line.

Unfortunately, it is how Neovim works: see neovim/neovim#16166 and this comment.