What is the single social bubble in Victoria's roadmap out of Covid restrictions?

The state has introduced new rules to address isolation faced by people living alone. Here's how it works

• Victoria cases trend map; Full Australian Covid stats
• Melbourne stage 4 restrictions; Vic stage 3 rules
• Sign up for Guardian Australia's coronavirus email
• Download the free Guardian app to get the most important news notifications

Victoria's roadmap out of coronavirus restrictions outlines a slow and steady return to relative normalcy but, for many Melburnians, the plan also means an extension of ongoing social isolation.

However, the introduction of a single social bubble" - announced with the roadmap - is an attempt to address the isolation experienced by Victorians who live alone.