How to run a dev version of HassOS?

Hi

if i run this command : ha su options --channel dev , afterwards i get prompts to update core and supervisor to a dev build, so far so good
but how to update an HassOS version to an dev version? its still on 5.11 , but seems there are other versions available?

https://os-builds.home-assistant.io/

Following-up quite late on that matter here, but the following command-line commands should update HomeAssistantOS to a specific dev version which can be found on https://os-builds.home-assistant.io/

ha su options --channel dev
ha su reload
ha su update
ha os update --version 11.0.dev2023053002565
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