Article clearly says:

At the beginning of April 2021, police charged Johnston with four serious domestic violence offences against Wilkinson. He was given watch house bail. In the weeks that followed, Wilkinson attempted to speak to police “almost every day” about her concerns

I’m not a lawyer, nor an Australian lawyer, but a quick search seems that “watch house bail” is the term for “released on bail/bond” equivalent - hence the prior link to the Queensland government website.