ubuntu repo does not work for jammy aarch64

[neofeo]

hi buddy, salva here. I would like to sue this launcher for certain apps on my custom armbian but it doesnt have releases for jammy aarch64.

[bwhitehead0]

jammy in general seems to be missing. adding ppa from ubuntu budgie 22.04 jammy on x86-64:

...
Err:18 https://ppa.launchpadcontent.net/libredeb/lightpad/ubuntu jammy Release
  404  Not Found [IP: 185.125.190.80 443]
Reading package lists... Done
E: The repository 'https://ppa.launchpadcontent.net/libredeb/lightpad/ubuntu jammy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package com.github.libredeb.lightpad
E: Couldn't find any package by glob 'com.github.libredeb.lightpad'
E: Couldn't find any package by regex 'com.github.libredeb.lightpad'
...