Neovim version (nvim -v)

v0.6.0-dev+516-g4a618b00b

Vim (not Nvim) behaves the same?

N/A

Operating system/version

Arch Linux

Terminal name/version

kitty 0.23.1

$TERM environment variable

xterm-kitty

Installation

build from repo

How to reproduce the issue

nvim --clean

ithis is a line<Esc>

:lua vim.api.nvim_buf_set_extmark(0, vim.api.nvim_create_namespace("vline"), 0, 0, { virt_lines={{{"Virt Line", "Comment"}}}, virt_lines_above=true })

Expected behavior

Virtual line with the text "Virt Line" shows above the first line.

Actual behavior

Virtual line isn't present. With virt_lines_above = false, everything works as expected.