vim 9's popup features not working

[xave]

Describe the bug https://vim-jp.org/vimdoc-en/popup.html

vim has the following pop up features. They work properly in iterm2 but do not work in kitty.

To Reproduce Stock kitty config. Changed a color theme with kitten themes command. Otherwise, stock. vim and tmux configs picked up automatically as expected.

Screenshots vim pop up menu (PMenu) as shown in iterm2

vim not showing pop up menu or side column in kitty

Environment details

kitty 0.34.1 created by Kovid Goyal
Darwin Kernel Version 23.5.0: Wed May  1 20:17:33 PDT 2024; root:xnu-10063.121.3~5/RELEASE_ARM64_T6031 arm64
ProductName:            macOS ProductVersion:           14.5 BuildVersion:              23F79
Frozen: False