Update Devsy
Devsy Desktop
Devsy Desktop checks GitHub for updates every 15 minutes. When an update is available, this popup confirms the update:

The update downloads in the background. When it's ready, Devsy prompts you to restart.

After restart, Devsy runs the latest version.
Devsy Desktop — alternative
If you installed Devsy from a deb or rpm package, download the new package and install it again through your package manager.
Update Devsy CLI
Re-run the installation command from Install Devsy CLI to download the latest version.