Neovim version (nvim -v)

0.9.0-dev commit 8147d3d

Vim (not Nvim) behaves the same?

N/A

Operating system/version

NixOS 22.05 (Linux 5.15.74)

Terminal name/version

kitty 0.25.2

$TERM environment variable

screen-256color

Installation

nix run github:neovim/neovim?dir=contrib -- --clean

How to reproduce the issue

nix run github:neovim/neovim?dir=contrib -- --clean
:Man 3 printf or any page really

Expected behavior

The man page for printf to be opened.

Actual behavior

Neovim stops responding to input, memory usage climbs. Have to pkill nvim before computer freezes.