If your Ubuntu version or derivative has not packaged Inkscape 1.3 for you yet, you can install the current version from our ppa for Ubuntu 20.04, 22.04, 23.04, 23.10 and 24.04:
ppa:inkscape.dev/stable
sudo add-apt-repository ppa:inkscape.dev/stable sudo apt update sudo apt install inkscape
Inkscape is Free and Open Source Software licensed under the GPL.
With thanks to: Fastly OSUOSL Sponsors The Authors