There’s an open issue for this:
Workaround for now:
Sensors:
- platform: version
name: Current Version
image: intel-nuc ### Adjust for your system, see https://www.home-assistant.io/integrations/version/
source: local
- platform: version
name: Latest Version
image: intel-nuc ### Adjust for your system, see https://www.home-assistant.io/integrations/version/
source: hassio
Automation:
- id: update_available
alias: 'Update Available'
initial_state: true
trigger:
platform: template
value_template: "{{ states('sensor.latest_version') != states('sensor.current_version') }}"
action:
service: notify.telegram_system
data_template:
title: '*Information*'
message: "An update for Home Assistant is available. You are running {{states('sensor.current_version') }}, the latest version is {{ states('sensor.latest_version') }}."