It seems since the Network-wide refresh by Hulsbosch last year, there has been more emphasis with having the logo white on a red background, rather than the other way around as years previous. It refreshes the existing logo somewhat without it actually evolving design-wise.
https://www.hulsbosch.com.au/case-study-seven/
Recently, they’ve been using a new microphone flag for Olympic coverage:
I prefer it more compared to the previous:
It’d be nice if they adopted the new style mic flag across the Network as it does look more modern.