When do you think Australia NBN will receive 1000/500 residential plan? (or minimum 50% upload speed)

Looking at the Aussie Broadband network, they have a PRO service:
Get up to 400Mbps Upload on a PRO Plan | Aussie Broadband

But the highest so far is 1000/400.

For those who need heavy upload speeds (e.g. for streaming to Twitch / YouTube, PLEX server, etc.), when do you think that upload speeds will reach at least 50% of download?

Or is the current solution to go with a Private Network? (e.g. Pineapple Net Australia)