other tab's content visible in current tab only when split to layout like a charactor 'T'

[energygreek]

Describe the bug A clear and concise description of what the bug is.

To Reproduce Steps to reproduce the behavior:

1. running a command that continuously outputting stuff, such as mplayer, tail -f debugging_program
2. open another tab, and split windows to 3 and 'T' layout
3. input commands in left-down window
4. see content belongs to another tab

Screenshots

Environment details

kitty 0.19.3 created by Kovid Goyal
Linux main 5.10.0-14-amd64 #1 SMP Debian 5.10.113-1 (2022-04-29) x86_64
Debian GNU/Linux 11 \n \l
Loaded config files: /etc/xdg/kitty/kitty.conf, /home/jimery/.config/kitty/kitty.conf
Running under: X11

Config options different from defaults:
background                 Color(red=223, green=219, blue=195)
bold_font                  DejaVu Sans Mono Bold
color1                     Color(red=179, green=0, blue=0)
color10                    Color(red=0, green=150, blue=0)
color11                    Color(red=208, green=107, blue=0)
color12                    Color(red=0, green=0, blue=204)
color13                    Color(red=204, green=0, blue=204)
color14                    Color(red=0, green=134, blue=203)
color2                     Color(red=0, green=150, blue=0)
color3                     Color(red=208, green=107, blue=0)
color4                     Color(red=0, green=0, blue=204)
color5                     Color(red=204, green=0, blue=204)
color6                     Color(red=0, green=135, blue=204)
color7                     Color(red=204, green=204, blue=204)
color8                     Color(red=127, green=127, blue=127)
color9                     Color(red=179, green=0, blue=0)
cursor                     Color(red=115, green=99, blue=90)
dynamic_background_opacity True
enable_audio_bell          False
font_family                DejaVu Sans Mono
font_size                  13.0
foreground                 Color(red=59, green=35, blue=34)
selection_background       Color(red=164, green=163, blue=144)
selection_foreground       Color(red=223, green=219, blue=195)
tab_activity_symbol        *
tab_bar_edge               1
tab_bar_style              powerline
update_check_interval      0.0
Added shortcuts:
    shift+control+y KeyAction(func='launch', args=['mutt'])

Additional context i find this problems since last year, but i can't tell exactly which version

[kovidgoyal]

Your version o fkitty is ancient. Update using the official kitty binaries and let me know if you can still reproduce.